diff --git a/Makefile b/Makefile
index b230cb7..852090b 100644
--- a/Makefile
+++ b/Makefile
@@ -1,149 +1,149 @@
GITREV=`git describe | cut -c 2-`
LDFLAGS=-ldflags="-s -w -X 'github.com/writefreely/writefreely.softwareVer=$(GITREV)'"
GOCMD=go
GOINSTALL=$(GOCMD) install $(LDFLAGS)
GOBUILD=$(GOCMD) build $(LDFLAGS)
GOTEST=$(GOCMD) test $(LDFLAGS)
GOGET=$(GOCMD) get
BINARY_NAME=writefreely
BUILDPATH=build/$(BINARY_NAME)
DOCKERCMD=docker
IMAGE_NAME=writeas/writefreely
TMPBIN=./tmp
all : build
ci: deps
cd cmd/writefreely; $(GOBUILD) -v
build: deps
cd cmd/writefreely; $(GOBUILD) -v -tags='netgo sqlite'
build-no-sqlite: deps-no-sqlite
cd cmd/writefreely; $(GOBUILD) -v -tags='netgo' -o $(BINARY_NAME)
build-linux: deps
@hash xgo > /dev/null 2>&1; if [ $$? -ne 0 ]; then \
$(GOCMD) install src.techknowlogick.com/xgo@latest; \
fi
- xgo --targets=linux/amd64, -dest build/ $(LDFLAGS) -tags='netgo sqlite' -go go-1.19.x -out writefreely -pkg ./cmd/writefreely .
+ xgo --targets=linux/amd64, -dest build/ $(LDFLAGS) -tags='netgo sqlite' -go go-1.21.x -out writefreely -pkg ./cmd/writefreely .
build-windows: deps
@hash xgo > /dev/null 2>&1; if [ $$? -ne 0 ]; then \
$(GOCMD) install src.techknowlogick.com/xgo@latest; \
fi
- xgo --targets=windows/amd64, -dest build/ $(LDFLAGS) -tags='netgo sqlite' -go go-1.19.x -out writefreely -pkg ./cmd/writefreely .
+ xgo --targets=windows/amd64, -dest build/ $(LDFLAGS) -tags='netgo sqlite' -go go-1.21.x -out writefreely -pkg ./cmd/writefreely .
build-darwin: deps
@hash xgo > /dev/null 2>&1; if [ $$? -ne 0 ]; then \
$(GOCMD) install src.techknowlogick.com/xgo@latest; \
fi
- xgo --targets=darwin/amd64, -dest build/ $(LDFLAGS) -tags='netgo sqlite' -go go-1.19.x -out writefreely -pkg ./cmd/writefreely .
+ xgo --targets=darwin/amd64, -dest build/ $(LDFLAGS) -tags='netgo sqlite' -go go-1.21.x -out writefreely -pkg ./cmd/writefreely .
build-arm6: deps
@hash xgo > /dev/null 2>&1; if [ $$? -ne 0 ]; then \
$(GOCMD) install src.techknowlogick.com/xgo@latest; \
fi
- xgo --targets=linux/arm-6, -dest build/ $(LDFLAGS) -tags='netgo sqlite' -go go-1.19.x -out writefreely -pkg ./cmd/writefreely .
+ xgo --targets=linux/arm-6, -dest build/ $(LDFLAGS) -tags='netgo sqlite' -go go-1.21.x -out writefreely -pkg ./cmd/writefreely .
build-arm7: deps
@hash xgo > /dev/null 2>&1; if [ $$? -ne 0 ]; then \
$(GOCMD) install src.techknowlogick.com/xgo@latest; \
fi
- xgo --targets=linux/arm-7, -dest build/ $(LDFLAGS) -tags='netgo sqlite' -go go-1.19.x -out writefreely -pkg ./cmd/writefreely .
+ xgo --targets=linux/arm-7, -dest build/ $(LDFLAGS) -tags='netgo sqlite' -go go-1.21.x -out writefreely -pkg ./cmd/writefreely .
build-arm64: deps
@hash xgo > /dev/null 2>&1; if [ $$? -ne 0 ]; then \
$(GOCMD) install src.techknowlogick.com/xgo@latest; \
fi
- xgo --targets=linux/arm64, -dest build/ $(LDFLAGS) -tags='netgo sqlite' -go go-1.19.x -out writefreely -pkg ./cmd/writefreely .
+ xgo --targets=linux/arm64, -dest build/ $(LDFLAGS) -tags='netgo sqlite' -go go-1.21.x -out writefreely -pkg ./cmd/writefreely .
build-docker :
$(DOCKERCMD) build -t $(IMAGE_NAME):latest -t $(IMAGE_NAME):$(GITREV) .
test:
$(GOTEST) -v ./...
run:
$(GOINSTALL) -tags='netgo sqlite' ./...
$(BINARY_NAME) --debug
deps :
$(GOGET) -tags='sqlite' -d -v ./...
deps-no-sqlite:
$(GOGET) -d -v ./...
install : build
cmd/writefreely/$(BINARY_NAME) --config
cmd/writefreely/$(BINARY_NAME) --gen-keys
cmd/writefreely/$(BINARY_NAME) --init-db
cd less/; $(MAKE) install $(MFLAGS)
release : clean ui
mkdir -p $(BUILDPATH)
cp -r templates $(BUILDPATH)
cp -r pages $(BUILDPATH)
cp -r static $(BUILDPATH)
rm -r $(BUILDPATH)/static/local
scripts/invalidate-css.sh $(BUILDPATH)
mkdir $(BUILDPATH)/keys
$(MAKE) build-linux
mv build/$(BINARY_NAME)-linux-amd64 $(BUILDPATH)/$(BINARY_NAME)
tar -cvzf $(BINARY_NAME)_$(GITREV)_linux_amd64.tar.gz -C build $(BINARY_NAME)
rm $(BUILDPATH)/$(BINARY_NAME)
$(MAKE) build-arm6
mv build/$(BINARY_NAME)-linux-arm-6 $(BUILDPATH)/$(BINARY_NAME)
tar -cvzf $(BINARY_NAME)_$(GITREV)_linux_arm6.tar.gz -C build $(BINARY_NAME)
rm $(BUILDPATH)/$(BINARY_NAME)
$(MAKE) build-arm7
mv build/$(BINARY_NAME)-linux-arm-7 $(BUILDPATH)/$(BINARY_NAME)
tar -cvzf $(BINARY_NAME)_$(GITREV)_linux_arm7.tar.gz -C build $(BINARY_NAME)
rm $(BUILDPATH)/$(BINARY_NAME)
$(MAKE) build-arm64
mv build/$(BINARY_NAME)-linux-arm64 $(BUILDPATH)/$(BINARY_NAME)
tar -cvzf $(BINARY_NAME)_$(GITREV)_linux_arm64.tar.gz -C build $(BINARY_NAME)
rm $(BUILDPATH)/$(BINARY_NAME)
$(MAKE) build-darwin
mv build/$(BINARY_NAME)-darwin-10.12-amd64 $(BUILDPATH)/$(BINARY_NAME)
tar -cvzf $(BINARY_NAME)_$(GITREV)_macos_amd64.tar.gz -C build $(BINARY_NAME)
rm $(BUILDPATH)/$(BINARY_NAME)
$(MAKE) build-windows
mv build/$(BINARY_NAME)-windows-4.0-amd64.exe $(BUILDPATH)/$(BINARY_NAME).exe
cd build; zip -r ../$(BINARY_NAME)_$(GITREV)_windows_amd64.zip ./$(BINARY_NAME)
rm $(BUILDPATH)/$(BINARY_NAME).exe
$(MAKE) build-docker
$(MAKE) release-docker
# This assumes you're on linux/amd64
release-linux : clean ui
mkdir -p $(BUILDPATH)
cp -r templates $(BUILDPATH)
cp -r pages $(BUILDPATH)
cp -r static $(BUILDPATH)
mkdir $(BUILDPATH)/keys
$(MAKE) build-no-sqlite
mv cmd/writefreely/$(BINARY_NAME) $(BUILDPATH)/$(BINARY_NAME)
tar -cvzf $(BINARY_NAME)_$(GITREV)_linux_amd64.tar.gz -C build $(BINARY_NAME)
release-docker :
$(DOCKERCMD) push $(IMAGE_NAME)
ui : force_look
cd less/; $(MAKE) $(MFLAGS)
cd prose/; $(MAKE) $(MFLAGS)
$(TMPBIN):
mkdir -p $(TMPBIN)
$(TMPBIN)/xgo: deps $(TMPBIN)
$(GOBUILD) -o $(TMPBIN)/xgo src.techknowlogick.com/xgo
clean :
-rm -rf build
-rm -rf tmp
cd less/; $(MAKE) clean $(MFLAGS)
force_look :
true
diff --git a/activitypub.go b/activitypub.go
index 8fb0716..6a3b0a1 100644
--- a/activitypub.go
+++ b/activitypub.go
@@ -1,954 +1,969 @@
/*
* Copyright © 2018-2021 Musing Studio LLC.
*
* This file is part of WriteFreely.
*
* WriteFreely is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, included
* in the LICENSE file in this source code package.
*/
package writefreely
import (
"bytes"
"crypto/sha256"
"database/sql"
"encoding/base64"
"encoding/json"
"fmt"
"io"
"net/http"
"net/http/httputil"
"net/url"
"path/filepath"
"strconv"
"strings"
"time"
"github.com/gorilla/mux"
"github.com/writeas/activity/streams"
"github.com/writeas/activityserve"
"github.com/writeas/httpsig"
"github.com/writeas/impart"
"github.com/writeas/web-core/activitypub"
"github.com/writeas/web-core/activitystreams"
"github.com/writeas/web-core/id"
"github.com/writeas/web-core/log"
"github.com/writeas/web-core/silobridge"
)
const (
// TODO: delete. don't use this!
apCustomHandleDefault = "blog"
apCacheTime = time.Minute
)
var instanceColl *Collection
func initActivityPub(app *App) {
ur, _ := url.Parse(app.cfg.App.Host)
instanceColl = &Collection{
ID: 0,
Alias: ur.Host,
Title: ur.Host,
db: app.db,
hostName: app.cfg.App.Host,
}
}
type RemoteUser struct {
ID int64
ActorID string
Inbox string
SharedInbox string
URL string
Handle string
Created time.Time
}
func (ru *RemoteUser) CreatedFriendly() string {
return ru.Created.Format("January 2, 2006")
}
func (ru *RemoteUser) EstimatedHandle() string {
if ru.Handle != "" {
return ru.Handle
}
username := filepath.Base(ru.ActorID)
host, _ := url.Parse(ru.ActorID)
return username + "@" + host.Host
}
func (ru *RemoteUser) AsPerson() *activitystreams.Person {
return &activitystreams.Person{
BaseObject: activitystreams.BaseObject{
Type: "Person",
Context: []interface{}{
activitystreams.Namespace,
},
ID: ru.ActorID,
},
Inbox: ru.Inbox,
Endpoints: activitystreams.Endpoints{
SharedInbox: ru.SharedInbox,
},
}
}
func activityPubClient() *http.Client {
return &http.Client{
Timeout: 15 * time.Second,
}
}
func handleFetchCollectionActivities(app *App, w http.ResponseWriter, r *http.Request) error {
w.Header().Set("Server", serverSoftware)
vars := mux.Vars(r)
alias := vars["alias"]
if alias == "" {
alias = filepath.Base(r.RequestURI)
}
// TODO: enforce visibility
// Get base Collection data
var c *Collection
var err error
if alias == r.Host {
c = instanceColl
} else if app.cfg.App.SingleUser {
c, err = app.db.GetCollectionByID(1)
} else {
c, err = app.db.GetCollection(alias)
}
if err != nil {
return err
}
c.hostName = app.cfg.App.Host
if !c.IsInstanceColl() {
silenced, err := app.db.IsUserSilenced(c.OwnerID)
if err != nil {
log.Error("fetch collection activities: %v", err)
return ErrInternalGeneral
}
if silenced {
return ErrCollectionNotFound
}
}
p := c.PersonObject()
setCacheControl(w, apCacheTime)
return impart.RenderActivityJSON(w, p, http.StatusOK)
}
func handleFetchCollectionOutbox(app *App, w http.ResponseWriter, r *http.Request) error {
w.Header().Set("Server", serverSoftware)
vars := mux.Vars(r)
alias := vars["alias"]
// TODO: enforce visibility
// Get base Collection data
var c *Collection
var err error
if app.cfg.App.SingleUser {
c, err = app.db.GetCollectionByID(1)
} else {
c, err = app.db.GetCollection(alias)
}
if err != nil {
return err
}
silenced, err := app.db.IsUserSilenced(c.OwnerID)
if err != nil {
log.Error("fetch collection outbox: %v", err)
return ErrInternalGeneral
}
if silenced {
return ErrCollectionNotFound
}
c.hostName = app.cfg.App.Host
if app.cfg.App.SingleUser {
if alias != c.Alias {
return ErrCollectionNotFound
}
}
res := &CollectionObj{Collection: *c}
app.db.GetPostsCount(res, false)
accountRoot := c.FederatedAccount()
page := r.FormValue("page")
p, err := strconv.Atoi(page)
if err != nil || p < 1 {
// Return outbox
oc := activitystreams.NewOrderedCollection(accountRoot, "outbox", res.TotalPosts)
return impart.RenderActivityJSON(w, oc, http.StatusOK)
}
// Return outbox page
ocp := activitystreams.NewOrderedCollectionPage(accountRoot, "outbox", res.TotalPosts, p)
ocp.OrderedItems = []interface{}{}
posts, err := app.db.GetPosts(app.cfg, c, p, false, true, false)
for _, pp := range *posts {
pp.Collection = res
o := pp.ActivityObject(app)
a := activitystreams.NewCreateActivity(o)
a.Context = nil
ocp.OrderedItems = append(ocp.OrderedItems, *a)
}
setCacheControl(w, apCacheTime)
return impart.RenderActivityJSON(w, ocp, http.StatusOK)
}
func handleFetchCollectionFollowers(app *App, w http.ResponseWriter, r *http.Request) error {
w.Header().Set("Server", serverSoftware)
vars := mux.Vars(r)
alias := vars["alias"]
// TODO: enforce visibility
// Get base Collection data
var c *Collection
var err error
if app.cfg.App.SingleUser {
c, err = app.db.GetCollectionByID(1)
} else {
c, err = app.db.GetCollection(alias)
}
if err != nil {
return err
}
silenced, err := app.db.IsUserSilenced(c.OwnerID)
if err != nil {
log.Error("fetch collection followers: %v", err)
return ErrInternalGeneral
}
if silenced {
return ErrCollectionNotFound
}
c.hostName = app.cfg.App.Host
accountRoot := c.FederatedAccount()
folls, err := app.db.GetAPFollowers(c)
if err != nil {
return err
}
page := r.FormValue("page")
p, err := strconv.Atoi(page)
if err != nil || p < 1 {
// Return outbox
oc := activitystreams.NewOrderedCollection(accountRoot, "followers", len(*folls))
return impart.RenderActivityJSON(w, oc, http.StatusOK)
}
// Return outbox page
ocp := activitystreams.NewOrderedCollectionPage(accountRoot, "followers", len(*folls), p)
ocp.OrderedItems = []interface{}{}
/*
for _, f := range *folls {
ocp.OrderedItems = append(ocp.OrderedItems, f.ActorID)
}
*/
setCacheControl(w, apCacheTime)
return impart.RenderActivityJSON(w, ocp, http.StatusOK)
}
func handleFetchCollectionFollowing(app *App, w http.ResponseWriter, r *http.Request) error {
w.Header().Set("Server", serverSoftware)
vars := mux.Vars(r)
alias := vars["alias"]
// TODO: enforce visibility
// Get base Collection data
var c *Collection
var err error
if app.cfg.App.SingleUser {
c, err = app.db.GetCollectionByID(1)
} else {
c, err = app.db.GetCollection(alias)
}
if err != nil {
return err
}
silenced, err := app.db.IsUserSilenced(c.OwnerID)
if err != nil {
log.Error("fetch collection following: %v", err)
return ErrInternalGeneral
}
if silenced {
return ErrCollectionNotFound
}
c.hostName = app.cfg.App.Host
accountRoot := c.FederatedAccount()
page := r.FormValue("page")
p, err := strconv.Atoi(page)
if err != nil || p < 1 {
// Return outbox
oc := activitystreams.NewOrderedCollection(accountRoot, "following", 0)
return impart.RenderActivityJSON(w, oc, http.StatusOK)
}
// Return outbox page
ocp := activitystreams.NewOrderedCollectionPage(accountRoot, "following", 0, p)
ocp.OrderedItems = []interface{}{}
setCacheControl(w, apCacheTime)
return impart.RenderActivityJSON(w, ocp, http.StatusOK)
}
func handleFetchCollectionInbox(app *App, w http.ResponseWriter, r *http.Request) error {
w.Header().Set("Server", serverSoftware)
vars := mux.Vars(r)
alias := vars["alias"]
var c *Collection
var err error
if app.cfg.App.SingleUser {
c, err = app.db.GetCollectionByID(1)
} else {
c, err = app.db.GetCollection(alias)
}
if err != nil {
// TODO: return Reject?
return err
}
silenced, err := app.db.IsUserSilenced(c.OwnerID)
if err != nil {
log.Error("fetch collection inbox: %v", err)
return ErrInternalGeneral
}
if silenced {
return ErrCollectionNotFound
}
c.hostName = app.cfg.App.Host
if debugging {
dump, err := httputil.DumpRequest(r, true)
if err != nil {
log.Error("Can't dump: %v", err)
} else {
log.Info("Rec'd! %q", dump)
}
}
var m map[string]interface{}
if err := json.NewDecoder(r.Body).Decode(&m); err != nil {
return err
}
a := streams.NewAccept()
p := c.PersonObject()
var to *url.URL
var isFollow, isUnfollow bool
fullActor := &activitystreams.Person{}
var remoteUser *RemoteUser
res := &streams.Resolver{
FollowCallback: func(f *streams.Follow) error {
isFollow = true
// 1) Use the Follow concrete type here
// 2) Errors are propagated to res.Deserialize call below
m["@context"] = []string{activitystreams.Namespace}
b, _ := json.Marshal(m)
if debugging {
log.Info("Follow: %s", b)
}
_, followID := f.GetId()
if followID == nil {
log.Error("Didn't resolve follow ID")
} else {
aID := c.FederatedAccount() + "#accept-" + id.GenerateFriendlyRandomString(20)
acceptID, err := url.Parse(aID)
if err != nil {
log.Error("Couldn't parse generated Accept URL '%s': %v", aID, err)
}
a.SetId(acceptID)
}
a.AppendObject(f.Raw())
_, to = f.GetActor(0)
obj := f.Raw().GetObjectIRI(0)
a.AppendActor(obj)
// First get actor information
if to == nil {
return fmt.Errorf("No valid `to` string")
}
fullActor, remoteUser, err = getActor(app, to.String())
if err != nil {
return err
}
return impart.RenderActivityJSON(w, m, http.StatusOK)
},
UndoCallback: func(u *streams.Undo) error {
isUnfollow = true
m["@context"] = []string{activitystreams.Namespace}
b, _ := json.Marshal(m)
if debugging {
log.Info("Undo: %s", b)
}
a.AppendObject(u.Raw())
_, to = u.GetActor(0)
// TODO: get actor from object.object, not object
obj := u.Raw().GetObjectIRI(0)
a.AppendActor(obj)
if to != nil {
// Populate fullActor from DB?
remoteUser, err = getRemoteUser(app, to.String())
if err != nil {
if iErr, ok := err.(*impart.HTTPError); ok {
if iErr.Status == http.StatusNotFound {
log.Error("No remoteuser info for Undo event!")
}
}
return err
} else {
fullActor = remoteUser.AsPerson()
}
} else {
log.Error("No to on Undo!")
}
return impart.RenderActivityJSON(w, m, http.StatusOK)
},
}
if err := res.Deserialize(m); err != nil {
// 3) Any errors from #2 can be handled, or the payload is an unknown type.
log.Error("Unable to resolve Follow: %v", err)
if debugging {
log.Error("Map: %s", m)
}
return err
}
go func() {
if to == nil {
if debugging {
log.Error("No `to` value!")
}
return
}
time.Sleep(2 * time.Second)
am, err := a.Serialize()
if err != nil {
log.Error("Unable to serialize Accept: %v", err)
return
}
am["@context"] = []string{activitystreams.Namespace}
err = makeActivityPost(app.cfg.App.Host, p, fullActor.Inbox, am)
if err != nil {
log.Error("Unable to make activity POST: %v", err)
return
}
if isFollow {
t, err := app.db.Begin()
if err != nil {
log.Error("Unable to start transaction: %v", err)
return
}
var followerID int64
if remoteUser != nil {
followerID = remoteUser.ID
} else {
// Add follower locally, since it wasn't found before
res, err := t.Exec("INSERT INTO remoteusers (actor_id, inbox, shared_inbox, url) VALUES (?, ?, ?, ?)", fullActor.ID, fullActor.Inbox, fullActor.Endpoints.SharedInbox, fullActor.URL)
if err != nil {
// if duplicate key, res will be nil and panic on
// res.LastInsertId below
t.Rollback()
log.Error("Couldn't add new remoteuser in DB: %v\n", err)
return
}
followerID, err = res.LastInsertId()
if err != nil {
t.Rollback()
log.Error("no lastinsertid for followers, rolling back: %v", err)
return
}
// Add in key
_, err = t.Exec("INSERT INTO remoteuserkeys (id, remote_user_id, public_key) VALUES (?, ?, ?)", fullActor.PublicKey.ID, followerID, fullActor.PublicKey.PublicKeyPEM)
if err != nil {
if !app.db.isDuplicateKeyErr(err) {
t.Rollback()
log.Error("Couldn't add follower keys in DB: %v\n", err)
return
}
}
}
// Add follow
_, err = t.Exec("INSERT INTO remotefollows (collection_id, remote_user_id, created) VALUES (?, ?, "+app.db.now()+")", c.ID, followerID)
if err != nil {
if !app.db.isDuplicateKeyErr(err) {
t.Rollback()
log.Error("Couldn't add follower in DB: %v\n", err)
return
}
}
err = t.Commit()
if err != nil {
t.Rollback()
log.Error("Rolling back after Commit(): %v\n", err)
return
}
} else if isUnfollow {
// Remove follower locally
_, err = app.db.Exec("DELETE FROM remotefollows WHERE collection_id = ? AND remote_user_id = (SELECT id FROM remoteusers WHERE actor_id = ?)", c.ID, to.String())
if err != nil {
log.Error("Couldn't remove follower from DB: %v\n", err)
}
}
}()
return nil
}
func makeActivityPost(hostName string, p *activitystreams.Person, url string, m interface{}) error {
log.Info("POST %s", url)
b, err := json.Marshal(m)
if err != nil {
return err
}
r, _ := http.NewRequest("POST", url, bytes.NewBuffer(b))
r.Header.Add("Content-Type", "application/activity+json")
r.Header.Set("User-Agent", ServerUserAgent(hostName))
h := sha256.New()
h.Write(b)
r.Header.Add("Digest", "SHA-256="+base64.StdEncoding.EncodeToString(h.Sum(nil)))
// Sign using the 'Signature' header
privKey, err := activitypub.DecodePrivateKey(p.GetPrivKey())
if err != nil {
return err
}
signer := httpsig.NewSigner(p.PublicKey.ID, privKey, httpsig.RSASHA256, []string{"(request-target)", "date", "host", "digest"})
err = signer.SignSigHeader(r)
if err != nil {
log.Error("Can't sign: %v", err)
}
if debugging {
dump, err := httputil.DumpRequestOut(r, true)
if err != nil {
log.Error("Can't dump: %v", err)
} else {
log.Info("%s", dump)
}
}
resp, err := activityPubClient().Do(r)
if err != nil {
return err
}
if resp != nil && resp.Body != nil {
defer resp.Body.Close()
}
body, err := io.ReadAll(resp.Body)
if err != nil {
return err
}
if debugging {
log.Info("Status : %s", resp.Status)
log.Info("Response: %s", body)
}
return nil
}
func resolveIRI(hostName, url string) ([]byte, error) {
log.Info("GET %s", url)
r, _ := http.NewRequest("GET", url, nil)
r.Header.Add("Accept", "application/activity+json")
r.Header.Set("User-Agent", ServerUserAgent(hostName))
p := instanceColl.PersonObject()
h := sha256.New()
h.Write([]byte{})
r.Header.Add("Digest", "SHA-256="+base64.StdEncoding.EncodeToString(h.Sum(nil)))
// Sign using the 'Signature' header
privKey, err := activitypub.DecodePrivateKey(p.GetPrivKey())
if err != nil {
return nil, err
}
signer := httpsig.NewSigner(p.PublicKey.ID, privKey, httpsig.RSASHA256, []string{"(request-target)", "date", "host", "digest"})
err = signer.SignSigHeader(r)
if err != nil {
log.Error("Can't sign: %v", err)
}
if debugging {
dump, err := httputil.DumpRequestOut(r, true)
if err != nil {
log.Error("Can't dump: %v", err)
} else {
log.Info("%s", dump)
}
}
resp, err := activityPubClient().Do(r)
if err != nil {
return nil, err
}
if resp != nil && resp.Body != nil {
defer resp.Body.Close()
}
body, err := io.ReadAll(resp.Body)
if err != nil {
return nil, err
}
if debugging {
log.Info("Status : %s", resp.Status)
log.Info("Response: %s", body)
}
return body, nil
}
func deleteFederatedPost(app *App, p *PublicPost, collID int64) error {
if debugging {
log.Info("Deleting federated post!")
}
p.Collection.hostName = app.cfg.App.Host
actor := p.Collection.PersonObject(collID)
na := p.ActivityObject(app)
// Add followers
p.Collection.ID = collID
followers, err := app.db.GetAPFollowers(&p.Collection.Collection)
if err != nil {
log.Error("Couldn't delete post (get followers)! %v", err)
return err
}
inboxes := map[string][]string{}
for _, f := range *followers {
inbox := f.SharedInbox
if inbox == "" {
inbox = f.Inbox
}
if _, ok := inboxes[inbox]; ok {
inboxes[inbox] = append(inboxes[inbox], f.ActorID)
} else {
inboxes[inbox] = []string{f.ActorID}
}
}
for si, instFolls := range inboxes {
na.CC = []string{}
na.CC = append(na.CC, instFolls...)
da := activitystreams.NewDeleteActivity(na)
// Make the ID unique to ensure it works in Pleroma
// See: https://git.pleroma.social/pleroma/pleroma/issues/1481
da.ID += "#Delete"
err = makeActivityPost(app.cfg.App.Host, actor, si, da)
if err != nil {
log.Error("Couldn't delete post! %v", err)
}
}
return nil
}
func federatePost(app *App, p *PublicPost, collID int64, isUpdate bool) error {
// If app is private, do not federate
if app.cfg.App.Private {
return nil
}
// Do not federate posts from private or protected blogs
if p.Collection.Visibility == CollPrivate || p.Collection.Visibility == CollProtected {
return nil
}
if debugging {
if isUpdate {
log.Info("Federating updated post!")
} else {
log.Info("Federating new post!")
}
}
actor := p.Collection.PersonObject(collID)
na := p.ActivityObject(app)
// Add followers
p.Collection.ID = collID
followers, err := app.db.GetAPFollowers(&p.Collection.Collection)
if err != nil {
log.Error("Couldn't post! %v", err)
return err
}
log.Info("Followers for %d: %+v", collID, followers)
inboxes := map[string][]string{}
for _, f := range *followers {
inbox := f.SharedInbox
if inbox == "" {
inbox = f.Inbox
}
if _, ok := inboxes[inbox]; ok {
// check if we're already sending to this shared inbox
inboxes[inbox] = append(inboxes[inbox], f.ActorID)
} else {
// add the new shared inbox to the list
inboxes[inbox] = []string{f.ActorID}
}
}
var activity *activitystreams.Activity
// for each one of the shared inboxes
for si, instFolls := range inboxes {
// add all followers from that instance
// to the CC field
na.CC = []string{}
na.CC = append(na.CC, instFolls...)
// create a new "Create" activity
// with our article as object
if isUpdate {
na.Updated = &p.Updated
activity = activitystreams.NewUpdateActivity(na)
} else {
activity = activitystreams.NewCreateActivity(na)
activity.To = na.To
activity.CC = na.CC
}
// and post it to that sharedInbox
err = makeActivityPost(app.cfg.App.Host, actor, si, activity)
if err != nil {
log.Error("Couldn't post! %v", err)
}
}
// re-create the object so that the CC list gets reset and has
// the mentioned users. This might seem wasteful but the code is
// cleaner than adding the mentioned users to CC here instead of
// in p.ActivityObject()
na = p.ActivityObject(app)
for _, tag := range na.Tag {
if tag.Type == "Mention" {
activity = activitystreams.NewCreateActivity(na)
activity.To = na.To
activity.CC = na.CC
// This here might be redundant in some cases as we might have already
// sent this to the sharedInbox of this instance above, but we need too
// much logic to catch this at the expense of the odd extra request.
// I don't believe we'd ever have too many mentions in a single post that this
// could become a burden.
remoteUser, err := getRemoteUser(app, tag.HRef)
if err != nil {
log.Error("Unable to find remote user %s. Skipping: %v", tag.HRef, err)
continue
}
err = makeActivityPost(app.cfg.App.Host, actor, remoteUser.Inbox, activity)
if err != nil {
log.Error("Couldn't post! %v", err)
}
}
}
return nil
}
func getRemoteUser(app *App, actorID string) (*RemoteUser, error) {
u := RemoteUser{ActorID: actorID}
var urlVal, handle sql.NullString
err := app.db.QueryRow("SELECT id, inbox, shared_inbox, url, handle FROM remoteusers WHERE actor_id = ?", actorID).Scan(&u.ID, &u.Inbox, &u.SharedInbox, &urlVal, &handle)
switch {
case err == sql.ErrNoRows:
return nil, impart.HTTPError{http.StatusNotFound, "No remote user with that ID."}
case err != nil:
log.Error("Couldn't get remote user %s: %v", actorID, err)
return nil, err
}
u.URL = urlVal.String
u.Handle = handle.String
return &u, nil
}
// getRemoteUserFromHandle retrieves the profile page of a remote user
// from the @user@server.tld handle
func getRemoteUserFromHandle(app *App, handle string) (*RemoteUser, error) {
u := RemoteUser{Handle: handle}
var urlVal sql.NullString
err := app.db.QueryRow("SELECT id, actor_id, inbox, shared_inbox, url FROM remoteusers WHERE handle = ?", handle).Scan(&u.ID, &u.ActorID, &u.Inbox, &u.SharedInbox, &urlVal)
switch {
case err == sql.ErrNoRows:
return nil, ErrRemoteUserNotFound
case err != nil:
log.Error("Couldn't get remote user %s: %v", handle, err)
return nil, err
}
u.URL = urlVal.String
return &u, nil
}
func getActor(app *App, actorIRI string) (*activitystreams.Person, *RemoteUser, error) {
log.Info("Fetching actor %s locally", actorIRI)
actor := &activitystreams.Person{}
remoteUser, err := getRemoteUser(app, actorIRI)
if err != nil {
if iErr, ok := err.(impart.HTTPError); ok {
if iErr.Status == http.StatusNotFound {
// Fetch remote actor
log.Info("Not found; fetching actor %s remotely", actorIRI)
actorResp, err := resolveIRI(app.cfg.App.Host, actorIRI)
if err != nil {
- log.Error("Unable to get actor! %v", err)
+ log.Error("Unable to get base actor! %v", err)
return nil, nil, impart.HTTPError{http.StatusInternalServerError, "Couldn't fetch actor."}
}
if err := unmarshalActor(actorResp, actor); err != nil {
- log.Error("Unable to unmarshal actor! %v", err)
+ log.Error("Unable to unmarshal base actor! %v", err)
return nil, nil, impart.HTTPError{http.StatusInternalServerError, "Couldn't parse actor."}
}
+ baseActor := &activitystreams.Person{}
+ if err := unmarshalActor(actorResp, baseActor); err != nil {
+ log.Error("Unable to unmarshal actual actor! %v", err)
+ return nil, nil, impart.HTTPError{http.StatusInternalServerError, "Couldn't parse actual actor."}
+ }
+ // Fetch the actual actor using the owner field from the publicKey object
+ actualActorResp, err := resolveIRI(app.cfg.App.Host, baseActor.PublicKey.Owner)
+ if err != nil {
+ log.Error("Unable to get actual actor! %v", err)
+ return nil, nil, impart.HTTPError{http.StatusInternalServerError, "Couldn't fetch actual actor."}
+ }
+ if err := unmarshalActor(actualActorResp, actor); err != nil {
+ log.Error("Unable to unmarshal actual actor! %v", err)
+ return nil, nil, impart.HTTPError{http.StatusInternalServerError, "Couldn't parse actual actor."}
+ }
} else {
return nil, nil, err
}
} else {
return nil, nil, err
}
} else {
actor = remoteUser.AsPerson()
}
return actor, remoteUser, nil
}
func GetProfileURLFromHandle(app *App, handle string) (string, error) {
handle = strings.TrimLeft(handle, "@")
actorIRI := ""
parts := strings.Split(handle, "@")
if len(parts) != 2 {
return "", fmt.Errorf("invalid handle format")
}
domain := parts[1]
// Check non-AP instances
if siloProfileURL := silobridge.Profile(parts[0], domain); siloProfileURL != "" {
return siloProfileURL, nil
}
remoteUser, err := getRemoteUserFromHandle(app, handle)
if err != nil {
// can't find using handle in the table but the table may already have this user without
// handle from a previous version
// TODO: Make this determination. We should know whether a user exists without a handle, or doesn't exist at all
actorIRI = RemoteLookup(handle)
_, errRemoteUser := getRemoteUser(app, actorIRI)
// if it exists then we need to update the handle
if errRemoteUser == nil {
_, err := app.db.Exec("UPDATE remoteusers SET handle = ? WHERE actor_id = ?", handle, actorIRI)
if err != nil {
log.Error("Couldn't update handle '%s' for user %s", handle, actorIRI)
}
} else {
// this probably means we don't have the user in the table so let's try to insert it
// here we need to ask the server for the inboxes
remoteActor, err := activityserve.NewRemoteActor(actorIRI)
if err != nil {
log.Error("Couldn't fetch remote actor: %v", err)
}
if debugging {
log.Info("Got remote actor: %s %s %s %s %s", actorIRI, remoteActor.GetInbox(), remoteActor.GetSharedInbox(), remoteActor.URL(), handle)
}
_, err = app.db.Exec("INSERT INTO remoteusers (actor_id, inbox, shared_inbox, url, handle) VALUES(?, ?, ?, ?, ?)", actorIRI, remoteActor.GetInbox(), remoteActor.GetSharedInbox(), remoteActor.URL(), handle)
if err != nil {
log.Error("Couldn't insert remote user: %v", err)
return "", err
}
actorIRI = remoteActor.URL()
}
} else if remoteUser.URL == "" {
log.Info("Remote user %s URL empty, fetching", remoteUser.ActorID)
newRemoteActor, err := activityserve.NewRemoteActor(remoteUser.ActorID)
if err != nil {
log.Error("Couldn't fetch remote actor: %v", err)
} else {
_, err := app.db.Exec("UPDATE remoteusers SET url = ? WHERE actor_id = ?", newRemoteActor.URL(), remoteUser.ActorID)
if err != nil {
log.Error("Couldn't update handle '%s' for user %s", handle, actorIRI)
} else {
actorIRI = newRemoteActor.URL()
}
}
} else {
actorIRI = remoteUser.URL
}
return actorIRI, nil
}
// unmarshal actor normalizes the actor response to conform to
// the type Person from github.com/writeas/web-core/activitysteams
//
// some implementations return different context field types
// this converts any non-slice contexts into a slice
func unmarshalActor(actorResp []byte, actor *activitystreams.Person) error {
// FIXME: Hubzilla has an object for the Actor's url: cannot unmarshal object into Go struct field Person.url of type string
// flexActor overrides the Context field to allow
// all valid representations during unmarshal
flexActor := struct {
activitystreams.Person
Context json.RawMessage `json:"@context,omitempty"`
}{}
if err := json.Unmarshal(actorResp, &flexActor); err != nil {
return err
}
actor.Endpoints = flexActor.Endpoints
actor.Followers = flexActor.Followers
actor.Following = flexActor.Following
actor.ID = flexActor.ID
actor.Icon = flexActor.Icon
actor.Inbox = flexActor.Inbox
actor.Name = flexActor.Name
actor.Outbox = flexActor.Outbox
actor.PreferredUsername = flexActor.PreferredUsername
actor.PublicKey = flexActor.PublicKey
actor.Summary = flexActor.Summary
actor.Type = flexActor.Type
actor.URL = flexActor.URL
func(val interface{}) {
switch val.(type) {
case []interface{}:
// already a slice, do nothing
actor.Context = val.([]interface{})
default:
actor.Context = []interface{}{val}
}
}(flexActor.Context)
return nil
}
func setCacheControl(w http.ResponseWriter, ttl time.Duration) {
w.Header().Set("Cache-Control", fmt.Sprintf("public, max-age=%.0f", ttl.Seconds()))
}
diff --git a/app.go b/app.go
index 43a5c09..7630254 100644
--- a/app.go
+++ b/app.go
@@ -1,1003 +1,1003 @@
/*
* Copyright © 2018-2021 Musing Studio LLC.
*
* This file is part of WriteFreely.
*
* WriteFreely is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, included
* in the LICENSE file in this source code package.
*/
package writefreely
import (
"crypto/tls"
"database/sql"
_ "embed"
"fmt"
"html/template"
"net"
"net/http"
"net/url"
"os"
"os/signal"
"path/filepath"
"regexp"
"strings"
"syscall"
"time"
"github.com/gorilla/mux"
"github.com/gorilla/schema"
"github.com/gorilla/sessions"
"github.com/manifoldco/promptui"
stripmd "github.com/writeas/go-strip-markdown/v2"
"github.com/writeas/impart"
"github.com/writeas/web-core/auth"
"github.com/writeas/web-core/converter"
"github.com/writeas/web-core/log"
"golang.org/x/crypto/acme/autocert"
"github.com/writefreely/writefreely/author"
"github.com/writefreely/writefreely/config"
"github.com/writefreely/writefreely/key"
"github.com/writefreely/writefreely/migrations"
"github.com/writefreely/writefreely/page"
)
const (
staticDir = "static"
assumedTitleLen = 80
postsPerPage = 10
serverSoftware = "WriteFreely"
softwareURL = "https://writefreely.org"
)
var (
debugging bool
// Software version can be set from git env using -ldflags
- softwareVer = "0.15.0"
+ softwareVer = "0.15.1"
// DEPRECATED VARS
isSingleUser bool
)
// App holds data and configuration for an individual WriteFreely instance.
type App struct {
router *mux.Router
shttp *http.ServeMux
db *datastore
cfg *config.Config
cfgFile string
keys *key.Keychain
sessionStore sessions.Store
formDecoder *schema.Decoder
updates *updatesCache
timeline *localTimeline
}
// DB returns the App's datastore
func (app *App) DB() *datastore {
return app.db
}
// Router returns the App's router
func (app *App) Router() *mux.Router {
return app.router
}
// Config returns the App's current configuration.
func (app *App) Config() *config.Config {
return app.cfg
}
// SetConfig updates the App's Config to the given value.
func (app *App) SetConfig(cfg *config.Config) {
app.cfg = cfg
}
// SetKeys updates the App's Keychain to the given value.
func (app *App) SetKeys(k *key.Keychain) {
app.keys = k
}
func (app *App) SessionStore() sessions.Store {
return app.sessionStore
}
func (app *App) SetSessionStore(s sessions.Store) {
app.sessionStore = s
}
// Apper is the interface for getting data into and out of a WriteFreely
// instance (or "App").
//
// App returns the App for the current instance.
//
// LoadConfig reads an app configuration into the App, returning any error
// encountered.
//
// SaveConfig persists the current App configuration.
//
// LoadKeys reads the App's encryption keys and loads them into its
// key.Keychain.
type Apper interface {
App() *App
LoadConfig() error
SaveConfig(*config.Config) error
LoadKeys() error
ReqLog(r *http.Request, status int, timeSince time.Duration) string
}
// App returns the App
func (app *App) App() *App {
return app
}
// LoadConfig loads and parses a config file.
func (app *App) LoadConfig() error {
log.Info("Loading %s configuration...", app.cfgFile)
cfg, err := config.Load(app.cfgFile)
if err != nil {
log.Error("Unable to load configuration: %v", err)
os.Exit(1)
return err
}
app.cfg = cfg
return nil
}
// SaveConfig saves the given Config to disk -- namely, to the App's cfgFile.
func (app *App) SaveConfig(c *config.Config) error {
return config.Save(c, app.cfgFile)
}
// LoadKeys reads all needed keys from disk into the App. In order to use the
// configured `Server.KeysParentDir`, you must call initKeyPaths(App) before
// this.
func (app *App) LoadKeys() error {
var err error
app.keys = &key.Keychain{}
if debugging {
log.Info(" %s", emailKeyPath)
}
executable, err := os.Executable()
if err != nil {
executable = "writefreely"
} else {
executable = filepath.Base(executable)
}
app.keys.EmailKey, err = os.ReadFile(emailKeyPath)
if err != nil {
return err
}
if debugging {
log.Info(" %s", cookieAuthKeyPath)
}
app.keys.CookieAuthKey, err = os.ReadFile(cookieAuthKeyPath)
if err != nil {
return err
}
if debugging {
log.Info(" %s", cookieKeyPath)
}
app.keys.CookieKey, err = os.ReadFile(cookieKeyPath)
if err != nil {
return err
}
if debugging {
log.Info(" %s", csrfKeyPath)
}
app.keys.CSRFKey, err = os.ReadFile(csrfKeyPath)
if err != nil {
if os.IsNotExist(err) {
log.Error(`Missing key: %s.
Run this command to generate missing keys:
%s keys generate
`, csrfKeyPath, executable)
}
return err
}
return nil
}
func (app *App) ReqLog(r *http.Request, status int, timeSince time.Duration) string {
return fmt.Sprintf("\"%s %s\" %d %s \"%s\"", r.Method, r.RequestURI, status, timeSince, r.UserAgent())
}
// handleViewHome shows page at root path. It checks the configuration and
// authentication state to show the correct page.
func handleViewHome(app *App, w http.ResponseWriter, r *http.Request) error {
if app.cfg.App.SingleUser {
// Render blog index
return handleViewCollection(app, w, r)
}
// Multi-user instance
forceLanding := r.FormValue("landing") == "1"
if !forceLanding {
// Show correct page based on user auth status and configured landing path
u := getUserSession(app, r)
if app.cfg.App.Chorus {
// This instance is focused on reading, so show Reader on home route if not
// private or a private-instance user is logged in.
if !app.cfg.App.Private || u != nil {
return viewLocalTimeline(app, w, r)
}
}
if u != nil {
// User is logged in, so show the Pad
return handleViewPad(app, w, r)
}
if app.cfg.App.Private {
return viewLogin(app, w, r)
}
if land := app.cfg.App.LandingPath(); land != "/" {
return impart.HTTPError{http.StatusFound, land}
}
}
return handleViewLanding(app, w, r)
}
func handleViewLanding(app *App, w http.ResponseWriter, r *http.Request) error {
forceLanding := r.FormValue("landing") == "1"
p := struct {
page.StaticPage
*OAuthButtons
Flashes []template.HTML
Banner template.HTML
Content template.HTML
ForcedLanding bool
}{
StaticPage: pageForReq(app, r),
OAuthButtons: NewOAuthButtons(app.Config()),
ForcedLanding: forceLanding,
}
banner, err := getLandingBanner(app)
if err != nil {
log.Error("unable to get landing banner: %v", err)
return impart.HTTPError{http.StatusInternalServerError, fmt.Sprintf("Could not get banner: %v", err)}
}
p.Banner = template.HTML(applyMarkdown([]byte(banner.Content), "", app.cfg))
content, err := getLandingBody(app)
if err != nil {
log.Error("unable to get landing content: %v", err)
return impart.HTTPError{http.StatusInternalServerError, fmt.Sprintf("Could not get content: %v", err)}
}
p.Content = template.HTML(applyMarkdown([]byte(content.Content), "", app.cfg))
// Get error messages
session, err := app.sessionStore.Get(r, cookieName)
if err != nil {
// Ignore this
log.Error("Unable to get session in handleViewHome; ignoring: %v", err)
}
flashes, _ := getSessionFlashes(app, w, r, session)
for _, flash := range flashes {
p.Flashes = append(p.Flashes, template.HTML(flash))
}
// Show landing page
return renderPage(w, "landing.tmpl", p)
}
func handleTemplatedPage(app *App, w http.ResponseWriter, r *http.Request, t *template.Template) error {
p := struct {
page.StaticPage
ContentTitle string
Content template.HTML
PlainContent string
Updated string
AboutStats *InstanceStats
}{
StaticPage: pageForReq(app, r),
}
if r.URL.Path == "/about" || r.URL.Path == "/contact" || r.URL.Path == "/privacy" {
var c *instanceContent
var err error
if r.URL.Path == "/about" {
c, err = getAboutPage(app)
// Fetch stats
p.AboutStats = &InstanceStats{}
p.AboutStats.NumPosts, _ = app.db.GetTotalPosts()
p.AboutStats.NumBlogs, _ = app.db.GetTotalCollections()
} else if r.URL.Path == "/contact" {
c, err = getContactPage(app)
if c.Updated.IsZero() {
// Page was never set up, so return 404
return ErrPostNotFound
}
} else {
c, err = getPrivacyPage(app)
}
if err != nil {
return err
}
p.ContentTitle = c.Title.String
p.Content = template.HTML(applyMarkdown([]byte(c.Content), "", app.cfg))
p.PlainContent = shortPostDescription(stripmd.Strip(c.Content))
if !c.Updated.IsZero() {
p.Updated = c.Updated.Format("January 2, 2006")
}
}
// Serve templated page
err := t.ExecuteTemplate(w, "base", p)
if err != nil {
log.Error("Unable to render page: %v", err)
}
return nil
}
func pageForReq(app *App, r *http.Request) page.StaticPage {
p := page.StaticPage{
AppCfg: app.cfg.App,
Path: r.URL.Path,
Version: "v" + softwareVer,
}
// Use custom style, if file exists
if _, err := os.Stat(filepath.Join(app.cfg.Server.StaticParentDir, staticDir, "local", "custom.css")); err == nil {
p.CustomCSS = true
}
// Add user information, if given
var u *User
accessToken := r.FormValue("t")
if accessToken != "" {
userID := app.db.GetUserID(accessToken)
if userID != -1 {
var err error
u, err = app.db.GetUserByID(userID)
if err == nil {
p.Username = u.Username
}
}
} else {
u = getUserSession(app, r)
if u != nil {
p.Username = u.Username
p.IsAdmin = u != nil && u.IsAdmin()
p.CanInvite = canUserInvite(app.cfg, p.IsAdmin)
}
}
p.CanViewReader = !app.cfg.App.Private || u != nil
return p
}
var fileRegex = regexp.MustCompile("/([^/]*\\.[^/]*)$")
// Initialize loads the app configuration and initializes templates, keys,
// session, route handlers, and the database connection.
func Initialize(apper Apper, debug bool) (*App, error) {
debugging = debug
apper.LoadConfig()
// Load templates
err := InitTemplates(apper.App().Config())
if err != nil {
return nil, fmt.Errorf("load templates: %s", err)
}
// Load keys and set up session
initKeyPaths(apper.App()) // TODO: find a better way to do this, since it's unneeded in all Apper implementations
err = InitKeys(apper)
if err != nil {
return nil, fmt.Errorf("init keys: %s", err)
}
apper.App().InitUpdates()
apper.App().InitSession()
apper.App().InitDecoder()
err = ConnectToDatabase(apper.App())
if err != nil {
return nil, fmt.Errorf("connect to DB: %s", err)
}
initActivityPub(apper.App())
if apper.App().cfg.Email.Domain != "" || apper.App().cfg.Email.MailgunPrivate != "" {
if apper.App().cfg.Email.Domain == "" {
log.Error("[FAILED] Starting publish jobs queue: no [letters]domain config value set.")
} else if apper.App().cfg.Email.MailgunPrivate == "" {
log.Error("[FAILED] Starting publish jobs queue: no [letters]mailgun_private config value set.")
} else {
log.Info("Starting publish jobs queue...")
go startPublishJobsQueue(apper.App())
}
}
// Handle local timeline, if enabled
if apper.App().cfg.App.LocalTimeline {
log.Info("Initializing local timeline...")
initLocalTimeline(apper.App())
}
return apper.App(), nil
}
func Serve(app *App, r *mux.Router) {
log.Info("Going to serve...")
isSingleUser = app.cfg.App.SingleUser
app.cfg.Server.Dev = debugging
// Handle shutdown
c := make(chan os.Signal, 2)
signal.Notify(c, os.Interrupt, syscall.SIGTERM)
go func() {
<-c
log.Info("Shutting down...")
shutdown(app)
log.Info("Done.")
os.Exit(0)
}()
// Start gopher server
if app.cfg.Server.GopherPort > 0 && !app.cfg.App.Private {
go initGopher(app)
}
// Start web application server
var bindAddress = app.cfg.Server.Bind
if bindAddress == "" {
bindAddress = "localhost"
}
var err error
if app.cfg.IsSecureStandalone() {
if app.cfg.Server.Autocert {
m := &autocert.Manager{
Prompt: autocert.AcceptTOS,
Cache: autocert.DirCache(app.cfg.Server.TLSCertPath),
}
host, err := url.Parse(app.cfg.App.Host)
if err != nil {
log.Error("[WARNING] Unable to parse configured host! %s", err)
log.Error(`[WARNING] ALL hosts are allowed, which can open you to an attack where
clients connect to a server by IP address and pretend to be asking for an
incorrect host name, and cause you to reach the CA's rate limit for certificate
requests. We recommend supplying a valid host name.`)
log.Info("Using autocert on ANY host")
} else {
log.Info("Using autocert on host %s", host.Host)
m.HostPolicy = autocert.HostWhitelist(host.Host)
}
s := &http.Server{
Addr: ":https",
Handler: r,
TLSConfig: &tls.Config{
GetCertificate: m.GetCertificate,
},
}
s.SetKeepAlivesEnabled(false)
go func() {
log.Info("Serving redirects on http://%s:80", bindAddress)
err = http.ListenAndServe(":80", m.HTTPHandler(nil))
log.Error("Unable to start redirect server: %v", err)
}()
log.Info("Serving on https://%s:443", bindAddress)
log.Info("---")
err = s.ListenAndServeTLS("", "")
} else {
go func() {
log.Info("Serving redirects on http://%s:80", bindAddress)
err = http.ListenAndServe(fmt.Sprintf("%s:80", bindAddress), http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
http.Redirect(w, r, app.cfg.App.Host, http.StatusMovedPermanently)
}))
log.Error("Unable to start redirect server: %v", err)
}()
log.Info("Serving on https://%s:443", bindAddress)
log.Info("Using manual certificates")
log.Info("---")
err = http.ListenAndServeTLS(fmt.Sprintf("%s:443", bindAddress), app.cfg.Server.TLSCertPath, app.cfg.Server.TLSKeyPath, r)
}
} else {
network := "tcp"
protocol := "http"
if strings.HasPrefix(bindAddress, "/") {
network = "unix"
protocol = "http+unix"
// old sockets will remain after server closes;
// we need to delete them in order to open new ones
err = os.Remove(bindAddress)
if err != nil && !os.IsNotExist(err) {
log.Error("%s already exists but could not be removed: %v", bindAddress, err)
os.Exit(1)
}
} else {
bindAddress = fmt.Sprintf("%s:%d", bindAddress, app.cfg.Server.Port)
}
log.Info("Serving on %s://%s", protocol, bindAddress)
log.Info("---")
listener, err := net.Listen(network, bindAddress)
if err != nil {
log.Error("Could not bind to address: %v", err)
os.Exit(1)
}
if network == "unix" {
err = os.Chmod(bindAddress, 0o666)
if err != nil {
log.Error("Could not update socket permissions: %v", err)
os.Exit(1)
}
}
defer listener.Close()
err = http.Serve(listener, r)
}
if err != nil {
log.Error("Unable to start: %v", err)
os.Exit(1)
}
}
func (app *App) InitDecoder() {
// TODO: do this at the package level, instead of the App level
// Initialize modules
app.formDecoder = schema.NewDecoder()
app.formDecoder.RegisterConverter(converter.NullJSONString{}, converter.ConvertJSONNullString)
app.formDecoder.RegisterConverter(converter.NullJSONBool{}, converter.ConvertJSONNullBool)
app.formDecoder.RegisterConverter(sql.NullString{}, converter.ConvertSQLNullString)
app.formDecoder.RegisterConverter(sql.NullBool{}, converter.ConvertSQLNullBool)
app.formDecoder.RegisterConverter(sql.NullInt64{}, converter.ConvertSQLNullInt64)
app.formDecoder.RegisterConverter(sql.NullFloat64{}, converter.ConvertSQLNullFloat64)
}
// ConnectToDatabase validates and connects to the configured database, then
// tests the connection.
func ConnectToDatabase(app *App) error {
// Check database configuration
if app.cfg.Database.Type == driverMySQL && app.cfg.Database.User == "" {
return fmt.Errorf("Database user not set.")
}
if app.cfg.Database.Host == "" {
app.cfg.Database.Host = "localhost"
}
if app.cfg.Database.Database == "" {
app.cfg.Database.Database = "writefreely"
}
// TODO: check err
connectToDatabase(app)
// Test database connection
err := app.db.Ping()
if err != nil {
return fmt.Errorf("Database ping failed: %s", err)
}
return nil
}
// FormatVersion constructs the version string for the application
func FormatVersion() string {
return serverSoftware + " " + softwareVer
}
// OutputVersion prints out the version of the application.
func OutputVersion() {
fmt.Println(FormatVersion())
}
// NewApp creates a new app instance.
func NewApp(cfgFile string) *App {
return &App{
cfgFile: cfgFile,
}
}
// CreateConfig creates a default configuration and saves it to the app's cfgFile.
func CreateConfig(app *App) error {
log.Info("Creating configuration...")
c := config.New()
log.Info("Saving configuration %s...", app.cfgFile)
err := config.Save(c, app.cfgFile)
if err != nil {
return fmt.Errorf("Unable to save configuration: %v", err)
}
return nil
}
// DoConfig runs the interactive configuration process.
func DoConfig(app *App, configSections string) {
if configSections == "" {
configSections = "server db app"
}
// let's check there aren't any garbage in the list
configSectionsArray := strings.Split(configSections, " ")
for _, element := range configSectionsArray {
if element != "server" && element != "db" && element != "app" {
log.Error("Invalid argument to --sections. Valid arguments are only \"server\", \"db\" and \"app\"")
os.Exit(1)
}
}
d, err := config.Configure(app.cfgFile, configSections)
if err != nil {
log.Error("Unable to configure: %v", err)
os.Exit(1)
}
app.cfg = d.Config
connectToDatabase(app)
defer shutdown(app)
if !app.db.DatabaseInitialized() {
err = adminInitDatabase(app)
if err != nil {
log.Error(err.Error())
os.Exit(1)
}
} else {
log.Info("Database already initialized.")
}
if d.User != nil {
u := &User{
Username: d.User.Username,
HashedPass: d.User.HashedPass,
Created: time.Now().Truncate(time.Second).UTC(),
}
// Create blog
log.Info("Creating user %s...\n", u.Username)
err = app.db.CreateUser(app.cfg, u, app.cfg.App.SiteName, "")
if err != nil {
log.Error("Unable to create user: %s", err)
os.Exit(1)
}
log.Info("Done!")
}
os.Exit(0)
}
// GenerateKeyFiles creates app encryption keys and saves them into the configured KeysParentDir.
func GenerateKeyFiles(app *App) error {
// Read keys path from config
app.LoadConfig()
// Create keys dir if it doesn't exist yet
fullKeysDir := filepath.Join(app.cfg.Server.KeysParentDir, keysDir)
if _, err := os.Stat(fullKeysDir); os.IsNotExist(err) {
err = os.Mkdir(fullKeysDir, 0700)
if err != nil {
return err
}
}
// Generate keys
initKeyPaths(app)
// TODO: use something like https://github.com/hashicorp/go-multierror to return errors
var keyErrs error
err := generateKey(emailKeyPath)
if err != nil {
keyErrs = err
}
err = generateKey(cookieAuthKeyPath)
if err != nil {
keyErrs = err
}
err = generateKey(cookieKeyPath)
if err != nil {
keyErrs = err
}
err = generateKey(csrfKeyPath)
if err != nil {
keyErrs = err
}
return keyErrs
}
// CreateSchema creates all database tables needed for the application.
func CreateSchema(apper Apper) error {
apper.LoadConfig()
connectToDatabase(apper.App())
defer shutdown(apper.App())
err := adminInitDatabase(apper.App())
if err != nil {
return err
}
return nil
}
// Migrate runs all necessary database migrations.
func Migrate(apper Apper) error {
apper.LoadConfig()
connectToDatabase(apper.App())
defer shutdown(apper.App())
err := migrations.Migrate(migrations.NewDatastore(apper.App().db.DB, apper.App().db.driverName))
if err != nil {
return fmt.Errorf("migrate: %s", err)
}
return nil
}
// ResetPassword runs the interactive password reset process.
func ResetPassword(apper Apper, username string) error {
// Connect to the database
apper.LoadConfig()
connectToDatabase(apper.App())
defer shutdown(apper.App())
// Fetch user
u, err := apper.App().db.GetUserForAuth(username)
if err != nil {
log.Error("Get user: %s", err)
os.Exit(1)
}
// Prompt for new password
prompt := promptui.Prompt{
Templates: &promptui.PromptTemplates{
Success: "{{ . | bold | faint }}: ",
},
Label: "New password",
Mask: '*',
}
newPass, err := prompt.Run()
if err != nil {
log.Error("%s", err)
os.Exit(1)
}
// Do the update
log.Info("Updating...")
err = adminResetPassword(apper.App(), u, newPass)
if err != nil {
log.Error("%s", err)
os.Exit(1)
}
log.Info("Success.")
return nil
}
// DoDeleteAccount runs the confirmation and account delete process.
func DoDeleteAccount(apper Apper, username string) error {
// Connect to the database
apper.LoadConfig()
connectToDatabase(apper.App())
defer shutdown(apper.App())
// check user exists
u, err := apper.App().db.GetUserForAuth(username)
if err != nil {
log.Error("%s", err)
os.Exit(1)
}
userID := u.ID
// do not delete the admin account
// TODO: check for other admins and skip?
if u.IsAdmin() {
log.Error("Can not delete admin account")
os.Exit(1)
}
// confirm deletion, w/ w/out posts
prompt := promptui.Prompt{
Templates: &promptui.PromptTemplates{
Success: "{{ . | bold | faint }}: ",
},
Label: fmt.Sprintf("Really delete user : %s", username),
IsConfirm: true,
}
_, err = prompt.Run()
if err != nil {
log.Info("Aborted...")
os.Exit(0)
}
log.Info("Deleting...")
err = apper.App().db.DeleteAccount(userID)
if err != nil {
log.Error("%s", err)
os.Exit(1)
}
log.Info("Success.")
return nil
}
func connectToDatabase(app *App) {
log.Info("Connecting to %s database...", app.cfg.Database.Type)
var db *sql.DB
var err error
if app.cfg.Database.Type == driverMySQL {
db, err = sql.Open(app.cfg.Database.Type, fmt.Sprintf("%s:%s@tcp(%s:%d)/%s?charset=utf8mb4&parseTime=true&loc=%s&tls=%t", app.cfg.Database.User, app.cfg.Database.Password, app.cfg.Database.Host, app.cfg.Database.Port, app.cfg.Database.Database, url.QueryEscape(time.Local.String()), app.cfg.Database.TLS))
db.SetMaxOpenConns(50)
} else if app.cfg.Database.Type == driverSQLite {
if !SQLiteEnabled {
log.Error("Invalid database type '%s'. Binary wasn't compiled with SQLite3 support.", app.cfg.Database.Type)
os.Exit(1)
}
if app.cfg.Database.FileName == "" {
log.Error("SQLite database filename value in config.ini is empty.")
os.Exit(1)
}
db, err = sql.Open("sqlite3_with_regex", app.cfg.Database.FileName+"?parseTime=true&cached=shared")
db.SetMaxOpenConns(2)
} else {
log.Error("Invalid database type '%s'. Only 'mysql' and 'sqlite3' are supported right now.", app.cfg.Database.Type)
os.Exit(1)
}
if err != nil {
log.Error("%s", err)
os.Exit(1)
}
app.db = &datastore{db, app.cfg.Database.Type}
}
func shutdown(app *App) {
log.Info("Closing database connection...")
app.db.Close()
if strings.HasPrefix(app.cfg.Server.Bind, "/") {
// Clean up socket
log.Info("Removing socket file...")
err := os.Remove(app.cfg.Server.Bind)
if err != nil {
log.Error("Unable to remove socket: %s", err)
os.Exit(1)
}
log.Info("Success.")
}
}
// CreateUser creates a new admin or normal user from the given credentials.
func CreateUser(apper Apper, username, password string, isAdmin bool) error {
// Create an admin user with --create-admin
apper.LoadConfig()
connectToDatabase(apper.App())
defer shutdown(apper.App())
// Ensure an admin / first user doesn't already exist
firstUser, _ := apper.App().db.GetUserByID(1)
if isAdmin {
// Abort if trying to create admin user, but one already exists
if firstUser != nil {
return fmt.Errorf("Admin user already exists (%s). Create a regular user with: writefreely --create-user", firstUser.Username)
}
} else {
// Abort if trying to create regular user, but no admin exists yet
if firstUser == nil {
return fmt.Errorf("No admin user exists yet. Create an admin first with: writefreely --create-admin")
}
}
// Create the user
// Normalize and validate username
desiredUsername := username
username = getSlug(username, "")
usernameDesc := username
if username != desiredUsername {
usernameDesc += " (originally: " + desiredUsername + ")"
}
if !author.IsValidUsername(apper.App().cfg, username) {
return fmt.Errorf("Username %s is invalid, reserved, or shorter than configured minimum length (%d characters).", usernameDesc, apper.App().cfg.App.MinUsernameLen)
}
// Hash the password
hashedPass, err := auth.HashPass([]byte(password))
if err != nil {
return fmt.Errorf("Unable to hash password: %v", err)
}
u := &User{
Username: username,
HashedPass: hashedPass,
Created: time.Now().Truncate(time.Second).UTC(),
}
userType := "user"
if isAdmin {
userType = "admin"
}
log.Info("Creating %s %s...", userType, usernameDesc)
err = apper.App().db.CreateUser(apper.App().Config(), u, desiredUsername, "")
if err != nil {
return fmt.Errorf("Unable to create user: %s", err)
}
log.Info("Done!")
return nil
}
//go:embed schema.sql
var schemaSql string
//go:embed sqlite.sql
var sqliteSql string
func adminInitDatabase(app *App) error {
var schema string
if app.cfg.Database.Type == driverSQLite {
schema = sqliteSql
} else {
schema = schemaSql
}
tblReg := regexp.MustCompile("CREATE TABLE (IF NOT EXISTS )?`([a-z_]+)`")
queries := strings.Split(string(schema), ";\n")
for _, q := range queries {
if strings.TrimSpace(q) == "" {
continue
}
parts := tblReg.FindStringSubmatch(q)
if len(parts) >= 3 {
log.Info("Creating table %s...", parts[2])
} else {
log.Info("Creating table ??? (Weird query) No match in: %v", parts)
}
_, err := app.db.Exec(q)
if err != nil {
log.Error("%s", err)
} else {
log.Info("Created.")
}
}
// Set up migrations table
log.Info("Initializing appmigrations table...")
err := migrations.SetInitialMigrations(migrations.NewDatastore(app.db.DB, app.db.driverName))
if err != nil {
return fmt.Errorf("Unable to set initial migrations: %v", err)
}
log.Info("Running migrations...")
err = migrations.Migrate(migrations.NewDatastore(app.db.DB, app.db.driverName))
if err != nil {
return fmt.Errorf("migrate: %s", err)
}
log.Info("Done.")
return nil
}
// ServerUserAgent returns a User-Agent string to use in external requests. The
// hostName parameter may be left empty.
func ServerUserAgent(hostName string) string {
hostUAStr := ""
if hostName != "" {
hostUAStr = "; +" + hostName
}
return "Go (" + serverSoftware + "/" + softwareVer + hostUAStr + ")"
}
diff --git a/go.mod b/go.mod
index 666bd89..cbfa0d2 100644
--- a/go.mod
+++ b/go.mod
@@ -1,92 +1,93 @@
module github.com/writefreely/writefreely
require (
github.com/PuerkitoBio/goquery v1.8.1 // indirect
github.com/aymerick/douceur v0.2.0
github.com/clbanning/mxj v1.8.4 // indirect
github.com/dustin/go-humanize v1.0.1
github.com/facebookgo/ensure v0.0.0-20200202191622-63f1cf65ac4c // indirect
github.com/facebookgo/stack v0.0.0-20160209184415-751773369052 // indirect
github.com/facebookgo/subset v0.0.0-20200203212716-c811ad88dec4 // indirect
- github.com/fatih/color v1.16.0
+ github.com/fatih/color v1.17.0
github.com/go-ini/ini v1.67.0
- github.com/go-sql-driver/mysql v1.7.1
+ github.com/go-sql-driver/mysql v1.8.1
github.com/go-test/deep v1.0.1 // indirect
github.com/gobuffalo/envy v1.9.0 // indirect
github.com/gopherjs/gopherjs v0.0.0-20181103185306-d547d1d9531e // indirect
github.com/gorilla/csrf v1.7.2
github.com/gorilla/feeds v1.1.2
github.com/gorilla/mux v1.8.1
github.com/gorilla/schema v1.4.1
github.com/gorilla/sessions v1.3.0
github.com/guregu/null v4.0.0+incompatible
github.com/hashicorp/go-multierror v1.1.1
github.com/ikeikeikeike/go-sitemap-generator/v2 v2.0.2
github.com/kylemcc/twitter-text-go v0.0.0-20180726194232-7f582f6736ec
github.com/mailgun/mailgun-go v2.0.0+incompatible
github.com/manifoldco/promptui v0.9.0
github.com/mattn/go-sqlite3 v1.14.21
github.com/microcosm-cc/bluemonday v1.0.26
github.com/mitchellh/go-wordwrap v1.0.1
github.com/nu7hatch/gouuid v0.0.0-20131221200532-179d4d0c4d8d
github.com/onsi/ginkgo v1.16.4 // indirect
github.com/onsi/gomega v1.13.0 // indirect
github.com/rainycape/unidecode v0.0.0-20150907023854-cb7f23ec59be // indirect
github.com/smartystreets/assertions v0.0.0-20190116191733-b6c0e53d7304 // indirect
github.com/smartystreets/goconvey v0.0.0-20181108003508-044398e4856c // indirect
github.com/stretchr/testify v1.9.0
github.com/urfave/cli/v2 v2.27.4
github.com/writeas/activity v0.1.2
github.com/writeas/activityserve v0.0.0-20230428180247-dc13a4f4d835
github.com/writeas/go-strip-markdown/v2 v2.1.1
github.com/writeas/go-webfinger v1.1.0
github.com/writeas/httpsig v1.0.0
github.com/writeas/impart v1.1.1
github.com/writeas/import v0.2.1
github.com/writeas/monday v1.3.0
github.com/writeas/saturday v1.7.2-0.20200427193424-392b95a03320
github.com/writeas/slug v1.2.0
github.com/writeas/web-core v1.6.1-0.20231003013047-d81124d45431
github.com/writefreely/go-gopher v0.0.0-20220429181814-40127126f83b
github.com/writefreely/go-nodeinfo v1.2.0
golang.org/x/crypto v0.24.0
- golang.org/x/net v0.22.0
+ golang.org/x/net v0.26.0
)
require (
code.as/core/socks v1.0.0 // indirect
+ filippo.io/edwards25519 v1.1.0 // indirect
github.com/andybalholm/cascadia v1.3.2 // indirect
github.com/beevik/etree v1.1.0 // indirect
github.com/captncraig/cors v0.0.0-20190703115713-e80254a89df1 // indirect
github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e // indirect
github.com/cpuguy83/go-md2man/v2 v2.0.4 // indirect
github.com/davecgh/go-spew v1.1.1 // indirect
github.com/dchest/uniuri v0.0.0-20200228104902-7aecb25e1fe5 // indirect
github.com/fatih/structs v1.1.0 // indirect
github.com/go-fed/httpsig v0.1.1-0.20200204213531-0ef28562fabe // indirect
github.com/gofrs/uuid v3.3.0+incompatible // indirect
github.com/gologme/log v1.2.0 // indirect
github.com/gorilla/css v1.0.0 // indirect
github.com/gorilla/securecookie v1.1.2 // indirect
github.com/hashicorp/errwrap v1.0.0 // indirect
github.com/joho/godotenv v1.3.0 // indirect
github.com/jtolds/gls v4.2.1+incompatible // indirect
github.com/mattn/go-colorable v0.1.13 // indirect
github.com/mattn/go-isatty v0.0.20 // indirect
github.com/petermattis/goid v0.0.0-20180202154549-b0b1615b78e5 // indirect
github.com/pkg/errors v0.9.1 // indirect
github.com/pmezard/go-difflib v1.0.0 // indirect
github.com/rogpeppe/go-internal v1.9.0 // indirect
github.com/russross/blackfriday/v2 v2.1.0 // indirect
github.com/sasha-s/go-deadlock v0.3.1 // indirect
github.com/shurcooL/sanitized_anchor_name v1.0.0 // indirect
github.com/writeas/go-writeas/v2 v2.0.2 // indirect
github.com/writeas/openssl-go v1.0.0 // indirect
github.com/xrash/smetrics v0.0.0-20240521201337-686a1a2994c1 // indirect
golang.org/x/sys v0.21.0 // indirect
golang.org/x/text v0.16.0 // indirect
gopkg.in/ini.v1 v1.62.0 // indirect
gopkg.in/yaml.v3 v3.0.1 // indirect
)
-go 1.19
+go 1.21
diff --git a/go.sum b/go.sum
index a09893d..fcb69cf 100644
--- a/go.sum
+++ b/go.sum
@@ -1,319 +1,321 @@
code.as/core/socks v1.0.0 h1:SPQXNp4SbEwjOAP9VzUahLHak8SDqy5n+9cm9tpjZOs=
code.as/core/socks v1.0.0/go.mod h1:BAXBy5O9s2gmw6UxLqNJcVbWY7C/UPs+801CcSsfWOY=
+filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA=
+filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
github.com/PuerkitoBio/goquery v1.8.1 h1:uQxhNlArOIdbrH1tr0UXwdVFgDcZDrZVdcpygAcwmWM=
github.com/PuerkitoBio/goquery v1.8.1/go.mod h1:Q8ICL1kNUJ2sXGoAhPGUdYDJvgQgHzJsnnd3H7Ho5jQ=
github.com/andybalholm/cascadia v1.3.1/go.mod h1:R4bJ1UQfqADjvDa4P6HZHLh/3OxWWEqc0Sk8XGwHqvA=
github.com/andybalholm/cascadia v1.3.2 h1:3Xi6Dw5lHF15JtdcmAHD3i1+T8plmv7BQ/nsViSLyss=
github.com/andybalholm/cascadia v1.3.2/go.mod h1:7gtRlve5FxPPgIgX36uWBX58OdBsSS6lUvCFb+h7KvU=
github.com/aymerick/douceur v0.2.0 h1:Mv+mAeH1Q+n9Fr+oyamOlAkUNPWPlA8PPGR0QAaYuPk=
github.com/aymerick/douceur v0.2.0/go.mod h1:wlT5vV2O3h55X9m7iVYN0TBM0NH/MmbLnd30/FjWUq4=
github.com/beevik/etree v1.1.0 h1:T0xke/WvNtMoCqgzPhkX2r4rjY3GDZFi+FjpRZY2Jbs=
github.com/beevik/etree v1.1.0/go.mod h1:r8Aw8JqVegEf0w2fDnATrX9VpkMcyFeM0FhwO62wh+A=
github.com/captncraig/cors v0.0.0-20190703115713-e80254a89df1 h1:AFSJaASPGYNbkUa5c8ZybrcW9pP3Cy7+z5dnpcc/qG8=
github.com/captncraig/cors v0.0.0-20190703115713-e80254a89df1/go.mod h1:EIlIeMufZ8nqdUhnesledB15xLRl4wIJUppwDLPrdrQ=
github.com/chzyer/logex v1.1.10 h1:Swpa1K6QvQznwJRcfTfQJmTE72DqScAa40E+fbHEXEE=
github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e h1:fY5BOSpyZCqRo5OhCuC+XN+r/bBCmeuuJtjz+bCNIf8=
github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1 h1:q763qf9huN11kDQavWsoZXJNW3xEE4JJyHa5Q25/sd8=
github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
github.com/clbanning/mxj v1.8.3/go.mod h1:BVjHeAH+rl9rs6f+QIpeRl0tfu10SXn1pUSa5PVGJng=
github.com/clbanning/mxj v1.8.4 h1:HuhwZtbyvyOw+3Z1AowPkU87JkJUSv751ELWaiTpj8I=
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golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
golang.org/x/text v0.16.0 h1:a94ExnEXNtEwYLGJSIUxnWoxoRz/ZcCsV63ROupILh4=
golang.org/x/text v0.16.0/go.mod h1:GhwF1Be+LQoKShO3cGOHzqOgRrGaYc9AvblQOmPVHnI=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/tools v0.0.0-20201224043029-2b0845dc783e/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
gopkg.in/ini.v1 v1.55.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
gopkg.in/ini.v1 v1.62.0 h1:duBzk771uxoUuOlyRLkHsygud9+5lrlGjdFBb4mSKDU=
gopkg.in/ini.v1 v1.62.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
gopkg.in/yaml.v1 v1.0.0-20140924161607-9f9df34309c0 h1:POO/ycCATvegFmVuPpQzZFJ+pGZeX22Ufu6fibxDVjU=
gopkg.in/yaml.v1 v1.0.0-20140924161607-9f9df34309c0/go.mod h1:WDnlLJ4WF5VGsH/HVa3CI79GS0ol3YnhVnKP89i0kNg=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
diff --git a/nodeinfo.go b/nodeinfo.go
index 6ce3572..5a38d96 100644
--- a/nodeinfo.go
+++ b/nodeinfo.go
@@ -1,121 +1,121 @@
/*
* Copyright © 2018-2019, 2021 Musing Studio LLC.
*
* This file is part of WriteFreely.
*
* WriteFreely is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, included
* in the LICENSE file in this source code package.
*/
package writefreely
import (
"github.com/writeas/web-core/log"
"github.com/writefreely/go-nodeinfo"
"github.com/writefreely/writefreely/config"
"strings"
)
type nodeInfoResolver struct {
cfg *config.Config
db *datastore
}
func nodeInfoConfig(db *datastore, cfg *config.Config) *nodeinfo.Config {
name := cfg.App.SiteName
desc := cfg.App.SiteDesc
if desc == "" {
desc = "Minimal, federated blogging platform."
}
if cfg.App.SingleUser {
// Fetch blog information, instead
coll, err := db.GetCollectionByID(1)
if err == nil {
desc = coll.Description
}
}
return &nodeinfo.Config{
BaseURL: cfg.App.Host,
InfoURL: "/api/nodeinfo",
Metadata: nodeinfo.Metadata{
NodeName: name,
NodeDescription: desc,
Private: cfg.App.Private,
Software: nodeinfo.SoftwareMeta{
HomePage: softwareURL,
GitHub: "https://github.com/writefreely/writefreely",
- Follow: "https://writing.exchange/@write_as",
+ Follow: "https://writing.exchange/@writefreely",
},
MaxBlogs: cfg.App.MaxBlogs,
PublicReader: cfg.App.LocalTimeline,
Invites: cfg.App.UserInvites != "",
},
Protocols: []nodeinfo.NodeProtocol{
nodeinfo.ProtocolActivityPub,
},
Services: nodeinfo.Services{
Inbound: []nodeinfo.NodeService{},
Outbound: []nodeinfo.NodeService{
nodeinfo.ServiceRSS,
},
},
Software: nodeinfo.SoftwareInfo{
Name: strings.ToLower(serverSoftware),
Version: softwareVer,
},
}
}
func (r nodeInfoResolver) IsOpenRegistration() (bool, error) {
return r.cfg.App.OpenRegistration, nil
}
func (r nodeInfoResolver) Usage() (nodeinfo.Usage, error) {
var collCount, postCount int64
var activeHalfYear, activeMonth int
var err error
collCount, err = r.db.GetTotalCollections()
if err != nil {
collCount = 0
}
postCount, err = r.db.GetTotalPosts()
if err != nil {
log.Error("Unable to fetch post counts: %v", err)
}
if r.cfg.App.PublicStats {
// Display bi-yearly / monthly stats
err = r.db.QueryRow(`SELECT COUNT(*) FROM (
SELECT DISTINCT collection_id
FROM posts
INNER JOIN collections c
ON collection_id = c.id
WHERE collection_id IS NOT NULL
AND updated > DATE_SUB(NOW(), INTERVAL 6 MONTH)) co`).Scan(&activeHalfYear)
if err != nil {
log.Error("Failed getting 6-month active user stats: %s", err)
}
err = r.db.QueryRow(`SELECT COUNT(*) FROM (
SELECT DISTINCT collection_id
FROM posts
INNER JOIN collections c
ON collection_id = c.id
WHERE collection_id IS NOT NULL
AND updated > DATE_SUB(NOW(), INTERVAL 1 MONTH)) co`).Scan(&activeMonth)
if err != nil {
log.Error("Failed getting 1-month active user stats: %s", err)
}
}
return nodeinfo.Usage{
Users: nodeinfo.UsageUsers{
Total: int(collCount),
ActiveHalfYear: activeHalfYear,
ActiveMonth: activeMonth,
},
LocalPosts: int(postCount),
}, nil
}
diff --git a/oauth_generic.go b/oauth_generic.go
index 25c162b..36f166c 100644
--- a/oauth_generic.go
+++ b/oauth_generic.go
@@ -1,142 +1,144 @@
/*
* Copyright © 2020-2021 Musing Studio LLC and respective authors.
*
* This file is part of WriteFreely.
*
* WriteFreely is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, included
* in the LICENSE file in this source code package.
*/
package writefreely
import (
"context"
"errors"
"fmt"
"github.com/writeas/web-core/log"
"net/http"
"net/url"
"strings"
)
type genericOauthClient struct {
ClientID string
ClientSecret string
AuthLocation string
ExchangeLocation string
InspectLocation string
CallbackLocation string
Scope string
MapUserID string
MapUsername string
MapDisplayName string
MapEmail string
HttpClient HttpClient
}
var _ oauthClient = genericOauthClient{}
const (
genericOauthDisplayName = "OAuth"
)
func (c genericOauthClient) GetProvider() string {
return "generic"
}
func (c genericOauthClient) GetClientID() string {
return c.ClientID
}
func (c genericOauthClient) GetCallbackLocation() string {
return c.CallbackLocation
}
func (c genericOauthClient) buildLoginURL(state string) (string, error) {
u, err := url.Parse(c.AuthLocation)
if err != nil {
return "", err
}
q := u.Query()
q.Set("client_id", c.ClientID)
q.Set("redirect_uri", c.CallbackLocation)
q.Set("response_type", "code")
q.Set("state", state)
q.Set("scope", c.Scope)
u.RawQuery = q.Encode()
return u.String(), nil
}
func (c genericOauthClient) exchangeOauthCode(ctx context.Context, code string) (*TokenResponse, error) {
form := url.Values{}
+ form.Add("client_id", c.ClientID)
+ form.Add("client_secret", c.ClientSecret)
form.Add("grant_type", "authorization_code")
form.Add("redirect_uri", c.CallbackLocation)
form.Add("scope", c.Scope)
form.Add("code", code)
req, err := http.NewRequest("POST", c.ExchangeLocation, strings.NewReader(form.Encode()))
if err != nil {
return nil, err
}
req.WithContext(ctx)
req.Header.Set("User-Agent", ServerUserAgent(""))
req.Header.Set("Accept", "application/json")
req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
req.SetBasicAuth(c.ClientID, c.ClientSecret)
resp, err := c.HttpClient.Do(req)
if err != nil {
return nil, err
}
if resp.StatusCode != http.StatusOK {
return nil, errors.New("unable to exchange code for access token")
}
var tokenResponse TokenResponse
if err := limitedJsonUnmarshal(resp.Body, tokenRequestMaxLen, &tokenResponse); err != nil {
return nil, err
}
if tokenResponse.Error != "" {
return nil, errors.New(tokenResponse.Error)
}
return &tokenResponse, nil
}
func (c genericOauthClient) inspectOauthAccessToken(ctx context.Context, accessToken string) (*InspectResponse, error) {
req, err := http.NewRequest("GET", c.InspectLocation, nil)
if err != nil {
return nil, err
}
req.WithContext(ctx)
req.Header.Set("User-Agent", ServerUserAgent(""))
req.Header.Set("Accept", "application/json")
req.Header.Set("Authorization", "Bearer "+accessToken)
resp, err := c.HttpClient.Do(req)
if err != nil {
return nil, err
}
if resp.StatusCode != http.StatusOK {
return nil, errors.New("unable to inspect access token")
}
// since we don't know what the JSON from the server will look like, we create a
// generic interface and then map manually to values set in the config
var genericInterface map[string]interface{}
if err := limitedJsonUnmarshal(resp.Body, infoRequestMaxLen, &genericInterface); err != nil {
return nil, err
}
// map each relevant field in inspectResponse to the mapped field from the config
var inspectResponse InspectResponse
inspectResponse.UserID, _ = genericInterface[c.MapUserID].(string)
if inspectResponse.UserID == "" {
log.Error("[CONFIGURATION ERROR] Generic OAuth provider returned empty UserID value (`%s`).\n Do you need to configure a different `map_user_id` value for this provider?", c.MapUserID)
return nil, fmt.Errorf("no UserID (`%s`) value returned", c.MapUserID)
}
inspectResponse.Username, _ = genericInterface[c.MapUsername].(string)
inspectResponse.DisplayName, _ = genericInterface[c.MapDisplayName].(string)
inspectResponse.Email, _ = genericInterface[c.MapEmail].(string)
return &inspectResponse, nil
}
diff --git a/posts.go b/posts.go
index 46f5871..f31f5da 100644
--- a/posts.go
+++ b/posts.go
@@ -1,1700 +1,1702 @@
/*
* Copyright © 2018-2021 Musing Studio LLC.
*
* This file is part of WriteFreely.
*
* WriteFreely is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, included
* in the LICENSE file in this source code package.
*/
package writefreely
import (
"database/sql"
"encoding/json"
"fmt"
"github.com/writefreely/writefreely/spam"
"html/template"
"net/http"
"net/url"
"regexp"
"strings"
"time"
"github.com/gorilla/mux"
"github.com/guregu/null"
"github.com/guregu/null/zero"
"github.com/kylemcc/twitter-text-go/extract"
"github.com/microcosm-cc/bluemonday"
stripmd "github.com/writeas/go-strip-markdown/v2"
"github.com/writeas/impart"
"github.com/writeas/monday"
"github.com/writeas/slug"
"github.com/writeas/web-core/activitystreams"
"github.com/writeas/web-core/bots"
"github.com/writeas/web-core/converter"
"github.com/writeas/web-core/i18n"
"github.com/writeas/web-core/log"
"github.com/writeas/web-core/tags"
"github.com/writefreely/writefreely/page"
"github.com/writefreely/writefreely/parse"
)
const (
// Post ID length bounds
minIDLen = 10
maxIDLen = 10
userPostIDLen = 10
postIDLen = 10
postMetaDateFormat = "2006-01-02 15:04:05"
shortCodePaid = ""
)
type (
AnonymousPost struct {
ID string
Content string
HTMLContent template.HTML
Font string
Language string
Direction string
Title string
GenTitle string
Description string
Author string
Views int64
Images []string
IsPlainText bool
IsCode bool
IsLinkable bool
}
AuthenticatedPost struct {
ID string `json:"id" schema:"id"`
Web bool `json:"web" schema:"web"`
*SubmittedPost
}
// SubmittedPost represents a post supplied by a client for publishing or
// updating. Since Title and Content can be updated to "", they are
// pointers that can be easily tested to detect changes.
SubmittedPost struct {
Slug *string `json:"slug" schema:"slug"`
Title *string `json:"title" schema:"title"`
Content *string `json:"body" schema:"body"`
Font string `json:"font" schema:"font"`
IsRTL converter.NullJSONBool `json:"rtl" schema:"rtl"`
Language converter.NullJSONString `json:"lang" schema:"lang"`
Created *string `json:"created" schema:"created"`
}
// Post represents a post as found in the database.
Post struct {
ID string `db:"id" json:"id"`
Slug null.String `db:"slug" json:"slug,omitempty"`
Font string `db:"text_appearance" json:"appearance"`
Language zero.String `db:"language" json:"language"`
RTL zero.Bool `db:"rtl" json:"rtl"`
Privacy int64 `db:"privacy" json:"-"`
OwnerID null.Int `db:"owner_id" json:"-"`
CollectionID null.Int `db:"collection_id" json:"-"`
PinnedPosition null.Int `db:"pinned_position" json:"-"`
Created time.Time `db:"created" json:"created"`
Updated time.Time `db:"updated" json:"updated"`
ViewCount int64 `db:"view_count" json:"-"`
Title zero.String `db:"title" json:"title"`
HTMLTitle template.HTML `db:"title" json:"-"`
Content string `db:"content" json:"body"`
HTMLContent template.HTML `db:"content" json:"-"`
HTMLExcerpt template.HTML `db:"content" json:"-"`
Tags []string `json:"tags"`
Images []string `json:"images,omitempty"`
IsPaid bool `json:"paid"`
OwnerName string `json:"owner,omitempty"`
}
// PublicPost holds properties for a publicly returned post, i.e. a post in
// a context where the viewer may not be the owner. As such, sensitive
// metadata for the post is hidden and properties supporting the display of
// the post are added.
PublicPost struct {
*Post
IsSubdomain bool `json:"-"`
IsTopLevel bool `json:"-"`
DisplayDate string `json:"-"`
Views int64 `json:"views"`
Owner *PublicUser `json:"-"`
IsOwner bool `json:"-"`
URL string `json:"url,omitempty"`
Collection *CollectionObj `json:"collection,omitempty"`
}
CollectionPostPage struct {
*PublicPost
page.StaticPage
IsOwner bool
IsPinned bool
IsCustomDomain bool
Monetization string
Verification string
PinnedPosts *[]PublicPost
IsFound bool
IsAdmin bool
CanInvite bool
Silenced bool
// Helper field for Chorus mode
CollAlias string
}
RawPost struct {
Id, Slug string
Title string
Content string
Views int64
Font string
Created time.Time
Updated time.Time
IsRTL sql.NullBool
Language sql.NullString
OwnerID int64
CollectionID sql.NullInt64
Found bool
Gone bool
}
AnonymousAuthPost struct {
ID string `json:"id"`
Token string `json:"token"`
}
ClaimPostRequest struct {
*AnonymousAuthPost
CollectionAlias string `json:"collection"`
CreateCollection bool `json:"create_collection"`
// Generated properties
Slug string `json:"-"`
}
ClaimPostResult struct {
ID string `json:"id,omitempty"`
Code int `json:"code,omitempty"`
ErrorMessage string `json:"error_msg,omitempty"`
Post *PublicPost `json:"post,omitempty"`
}
)
func (p *Post) Direction() string {
if p.RTL.Valid {
if p.RTL.Bool {
return "rtl"
}
return "ltr"
}
return "auto"
}
// DisplayTitle dynamically generates a title from the Post's contents if it
// doesn't already have an explicit title.
func (p *Post) DisplayTitle() string {
if p.Title.String != "" {
return p.Title.String
}
t := friendlyPostTitle(p.Content, p.ID)
return t
}
// PlainDisplayTitle dynamically generates a title from the Post's contents if it
// doesn't already have an explicit title.
func (p *Post) PlainDisplayTitle() string {
if t := stripmd.Strip(p.DisplayTitle()); t != "" {
return t
}
return p.ID
}
// FormattedDisplayTitle dynamically generates a title from the Post's contents if it
// doesn't already have an explicit title.
func (p *Post) FormattedDisplayTitle() template.HTML {
if p.HTMLTitle != "" {
return p.HTMLTitle
}
return template.HTML(p.DisplayTitle())
}
// Summary gives a shortened summary of the post based on the post's title,
// especially for display in a longer list of posts. It extracts a summary for
// posts in the Title\n\nBody format, returning nothing if the entire was short
// enough that the extracted title == extracted summary.
func (p Post) Summary() string {
if p.Content == "" {
return ""
}
p.Content = stripHTMLWithoutEscaping(p.Content)
// and Markdown
p.Content = stripmd.StripOptions(p.Content, stripmd.Options{SkipImages: true})
title := p.Title.String
var desc string
if title == "" {
// No title, so generate one
title = friendlyPostTitle(p.Content, p.ID)
desc = postDescription(p.Content, title, p.ID)
if desc == title {
return ""
}
return desc
}
return shortPostDescription(p.Content)
}
func (p Post) SummaryHTML() template.HTML {
return template.HTML(p.Summary())
}
// Excerpt shows any text that comes before a (more) tag.
// TODO: use HTMLExcerpt in templates instead of this method
func (p *Post) Excerpt() template.HTML {
return p.HTMLExcerpt
}
func (p *Post) CreatedDate() string {
return p.Created.Format("2006-01-02")
}
func (p *Post) Created8601() string {
return p.Created.Format("2006-01-02T15:04:05Z")
}
func (p *Post) IsScheduled() bool {
return p.Created.After(time.Now())
}
func (p *Post) HasTag(tag string) bool {
// Regexp looks for tag and has a non-capturing group at the end looking
// for the end of the word.
// Assisted by: https://stackoverflow.com/a/35192941/1549194
hasTag, _ := regexp.MatchString("#"+tag+`(?:[[:punct:]]|\s|\z)`, p.Content)
return hasTag
}
func (p *Post) HasTitleLink() bool {
if p.Title.String == "" {
return false
}
hasLink, _ := regexp.MatchString(`([^!]+|^)\[.+\]\(.+\)`, p.Title.String)
return hasLink
}
func (c CollectionPostPage) DisplayMonetization() string {
if c.Collection == nil {
log.Info("CollectionPostPage.DisplayMonetization: c.Collection is nil")
return ""
}
return displayMonetization(c.Monetization, c.Collection.Alias)
}
func handleViewPost(app *App, w http.ResponseWriter, r *http.Request) error {
vars := mux.Vars(r)
friendlyID := vars["post"]
// NOTE: until this is done better, be sure to keep this in parity with
// isRaw() and viewCollectionPost()
isJSON := strings.HasSuffix(friendlyID, ".json")
isXML := strings.HasSuffix(friendlyID, ".xml")
isCSS := strings.HasSuffix(friendlyID, ".css")
isMarkdown := strings.HasSuffix(friendlyID, ".md")
isRaw := strings.HasSuffix(friendlyID, ".txt") || isJSON || isXML || isCSS || isMarkdown
// Display reserved page if that is requested resource
if t, ok := pages[r.URL.Path[1:]+".tmpl"]; ok {
return handleTemplatedPage(app, w, r, t)
+ } else if r.URL.Path == "/sitemap.xml" && !app.cfg.App.SingleUser {
+ return impart.HTTPError{Status: http.StatusNotFound, Message: "Page not found."}
} else if (strings.Contains(r.URL.Path, ".") && !isRaw && !isMarkdown) || r.URL.Path == "/robots.txt" || r.URL.Path == "/manifest.json" {
// Serve static file
app.shttp.ServeHTTP(w, r)
return nil
}
// Display collection if this is a collection
c, _ := app.db.GetCollection(friendlyID)
if c != nil {
return impart.HTTPError{http.StatusMovedPermanently, fmt.Sprintf("/%s/", friendlyID)}
}
// Normalize the URL, redirecting user to consistent post URL
if friendlyID != strings.ToLower(friendlyID) {
return impart.HTTPError{http.StatusMovedPermanently, fmt.Sprintf("/%s", strings.ToLower(friendlyID))}
}
ext := ""
if isRaw {
parts := strings.Split(friendlyID, ".")
friendlyID = parts[0]
if len(parts) > 1 {
ext = "." + parts[1]
}
}
var ownerID sql.NullInt64
var collectionID sql.NullInt64
var title string
var content string
var font string
var language []byte
var rtl []byte
var views int64
var post *AnonymousPost
var found bool
var gone bool
fixedID := slug.Make(friendlyID)
if fixedID != friendlyID {
return impart.HTTPError{http.StatusFound, fmt.Sprintf("/%s%s", fixedID, ext)}
}
err := app.db.QueryRow("SELECT owner_id, collection_id, title, content, text_appearance, view_count, language, rtl FROM posts WHERE id = ?", friendlyID).Scan(&ownerID, &collectionID, &title, &content, &font, &views, &language, &rtl)
switch {
case err == sql.ErrNoRows:
found = false
// Output the error in the correct format
if isJSON {
content = "{\"error\": \"Post not found.\"}"
} else if isRaw {
content = "Post not found."
} else {
return ErrPostNotFound
}
case err != nil:
found = false
log.Error("Post loading err: %s\n", err)
return ErrInternalGeneral
default:
found = true
var d string
if len(rtl) == 0 {
d = "auto"
} else if rtl[0] == 49 {
// TODO: find a cleaner way to get this (possibly NULL) value
d = "rtl"
} else {
d = "ltr"
}
generatedTitle := friendlyPostTitle(content, friendlyID)
sanitizedContent := content
if font != "code" {
sanitizedContent = template.HTMLEscapeString(content)
}
var desc string
if title == "" {
desc = postDescription(content, title, friendlyID)
} else {
desc = shortPostDescription(content)
}
post = &AnonymousPost{
ID: friendlyID,
Content: sanitizedContent,
Title: title,
GenTitle: generatedTitle,
Description: desc,
Author: "",
Font: font,
IsPlainText: isRaw,
IsCode: font == "code",
IsLinkable: font != "code",
Views: views,
Language: string(language),
Direction: d,
}
if !isRaw {
post.HTMLContent = template.HTML(applyMarkdown([]byte(content), "", app.cfg))
post.Images = extractImages(post.Content)
}
}
var silenced bool
if found {
silenced, err = app.db.IsUserSilenced(ownerID.Int64)
if err != nil {
log.Error("view post: %v", err)
}
}
var protectDraft bool
if found && collectionID.Valid {
collection, err := app.db.GetCollectionByID(collectionID.Int64)
if err != nil {
log.Error("view post: %v", err)
}
protectDraft = collection.IsPrivate() || collection.IsProtected()
}
// Check if post has been unpublished
if title == "" && content == "" {
gone = true
if isJSON {
content = "{\"error\": \"Post was unpublished.\"}"
} else if isCSS {
content = ""
} else if isRaw {
content = "Post was unpublished."
} else {
return ErrPostUnpublished
}
}
var u = &User{}
if isRaw {
contentType := "text/plain"
if isJSON {
contentType = "application/json"
} else if isCSS {
contentType = "text/css"
} else if isXML {
contentType = "application/xml"
} else if isMarkdown {
contentType = "text/markdown"
}
w.Header().Set("Content-Type", fmt.Sprintf("%s; charset=utf-8", contentType))
if isMarkdown && post.Title != "" {
fmt.Fprintf(w, "%s\n", post.Title)
for i := 1; i <= len(post.Title); i++ {
fmt.Fprintf(w, "=")
}
fmt.Fprintf(w, "\n\n")
}
fmt.Fprint(w, content)
if !found {
return ErrPostNotFound
} else if gone {
return ErrPostUnpublished
}
} else {
var err error
page := struct {
*AnonymousPost
page.StaticPage
Username string
IsOwner bool
SiteURL string
Silenced bool
}{
AnonymousPost: post,
StaticPage: pageForReq(app, r),
SiteURL: app.cfg.App.Host,
}
if u = getUserSession(app, r); u != nil {
page.Username = u.Username
page.IsOwner = ownerID.Valid && ownerID.Int64 == u.ID
}
if !page.IsOwner && silenced {
return ErrPostNotFound
}
if !page.IsOwner && protectDraft {
return ErrPostNotFound
}
page.Silenced = silenced
err = templates["post"].ExecuteTemplate(w, "post", page)
if err != nil {
log.Error("Post template execute error: %v", err)
}
}
go func() {
if u != nil && ownerID.Valid && ownerID.Int64 == u.ID {
// Post is owned by someone; skip view increment since that person is viewing this post.
return
}
// Update stats for non-raw post views
if !isRaw && r.Method != "HEAD" && !bots.IsBot(r.UserAgent()) {
_, err := app.db.Exec("UPDATE posts SET view_count = view_count + 1 WHERE id = ?", friendlyID)
if err != nil {
log.Error("Unable to update posts count: %v", err)
}
}
}()
return nil
}
// API v2 funcs
// newPost creates a new post with or without an owning Collection.
//
// Endpoints:
// - /posts
// - /posts?collection={alias}
// - ? /collections/{alias}/posts
func newPost(app *App, w http.ResponseWriter, r *http.Request) error {
reqJSON := IsJSON(r)
vars := mux.Vars(r)
collAlias := vars["alias"]
if collAlias == "" {
collAlias = r.FormValue("collection")
}
accessToken := r.Header.Get("Authorization")
if accessToken == "" {
// TODO: remove this
accessToken = r.FormValue("access_token")
}
// FIXME: determine web submission with Content-Type header
var u *User
var userID int64 = -1
var username string
if accessToken == "" {
u = getUserSession(app, r)
if u != nil {
userID = u.ID
username = u.Username
}
} else {
userID = app.db.GetUserID(accessToken)
}
silenced, err := app.db.IsUserSilenced(userID)
if err != nil {
log.Error("new post: %v", err)
}
if silenced {
return ErrUserSilenced
}
if userID == -1 {
return ErrNotLoggedIn
}
if accessToken == "" && u == nil && collAlias != "" {
return impart.HTTPError{http.StatusBadRequest, "Parameter `access_token` required."}
}
// Get post data
var p *SubmittedPost
if reqJSON {
decoder := json.NewDecoder(r.Body)
err = decoder.Decode(&p)
if err != nil {
log.Error("Couldn't parse new post JSON request: %v\n", err)
return ErrBadJSON
}
if p.Title == nil {
t := ""
p.Title = &t
}
if strings.TrimSpace(*(p.Title)) == "" && (p.Content == nil || strings.TrimSpace(*(p.Content)) == "") {
return ErrNoPublishableContent
}
if p.Content == nil {
c := ""
p.Content = &c
}
} else {
post := r.FormValue("body")
appearance := r.FormValue("font")
title := r.FormValue("title")
rtlValue := r.FormValue("rtl")
langValue := r.FormValue("lang")
if strings.TrimSpace(post) == "" {
return ErrNoPublishableContent
}
var isRTL, rtlValid bool
if rtlValue == "auto" && langValue != "" {
isRTL = i18n.LangIsRTL(langValue)
rtlValid = true
} else {
isRTL = rtlValue == "true"
rtlValid = rtlValue != "" && langValue != ""
}
// Create a new post
p = &SubmittedPost{
Title: &title,
Content: &post,
Font: appearance,
IsRTL: converter.NullJSONBool{sql.NullBool{Bool: isRTL, Valid: rtlValid}},
Language: converter.NullJSONString{sql.NullString{String: langValue, Valid: langValue != ""}},
}
}
if !p.isFontValid() {
p.Font = "norm"
}
var newPost *PublicPost = &PublicPost{}
var coll *Collection
if accessToken != "" {
newPost, err = app.db.CreateOwnedPost(p, accessToken, collAlias, app.cfg.App.Host)
} else {
//return ErrNotLoggedIn
// TODO: verify user is logged in
var collID int64
if collAlias != "" {
coll, err = app.db.GetCollection(collAlias)
if err != nil {
return err
}
coll.hostName = app.cfg.App.Host
if coll.OwnerID != u.ID {
return ErrForbiddenCollection
}
collID = coll.ID
}
// TODO: return PublicPost from createPost
newPost.Post, err = app.db.CreatePost(userID, collID, p)
}
if err != nil {
return err
}
if coll != nil {
coll.ForPublic()
newPost.Collection = &CollectionObj{Collection: *coll}
}
newPost.extractData()
newPost.OwnerName = username
newPost.URL = newPost.CanonicalURL(app.cfg.App.Host)
// Write success now
response := impart.WriteSuccess(w, newPost, http.StatusCreated)
if newPost.Collection != nil {
if !app.cfg.App.Private && app.cfg.App.Federation && !newPost.Created.After(time.Now()) {
go federatePost(app, newPost, newPost.Collection.ID, false)
}
if app.cfg.Email.Enabled() && newPost.Collection.EmailSubsEnabled() {
go app.db.InsertJob(&PostJob{
PostID: newPost.ID,
Action: "email",
Delay: emailSendDelay,
})
}
}
return response
}
func existingPost(app *App, w http.ResponseWriter, r *http.Request) error {
reqJSON := IsJSON(r)
vars := mux.Vars(r)
postID := vars["post"]
p := AuthenticatedPost{ID: postID}
var err error
if reqJSON {
// Decode JSON request
decoder := json.NewDecoder(r.Body)
err = decoder.Decode(&p)
if err != nil {
log.Error("Couldn't parse post update JSON request: %v\n", err)
return ErrBadJSON
}
} else {
err = r.ParseForm()
if err != nil {
log.Error("Couldn't parse post update form request: %v\n", err)
return ErrBadFormData
}
// Can't decode to a nil SubmittedPost property, so create instance now
p.SubmittedPost = &SubmittedPost{}
err = app.formDecoder.Decode(&p, r.PostForm)
if err != nil {
log.Error("Couldn't decode post update form request: %v\n", err)
return ErrBadFormData
}
}
if p.Web {
p.IsRTL.Valid = true
}
if p.SubmittedPost == nil {
return ErrPostNoUpdatableVals
}
// Ensure an access token was given
accessToken := r.Header.Get("Authorization")
// Get user's cookie session if there's no token
var u *User
//var username string
if accessToken == "" {
u = getUserSession(app, r)
if u != nil {
//username = u.Username
}
}
if u == nil && accessToken == "" {
return ErrNoAccessToken
}
// Get user ID from current session or given access token, if one was given.
var userID int64
if u != nil {
userID = u.ID
} else if accessToken != "" {
userID, err = AuthenticateUser(app.db, accessToken)
if err != nil {
return err
}
}
silenced, err := app.db.IsUserSilenced(userID)
if err != nil {
log.Error("existing post: %v", err)
}
if silenced {
return ErrUserSilenced
}
// Modify post struct
p.ID = postID
err = app.db.UpdateOwnedPost(&p, userID)
if err != nil {
if reqJSON {
return err
}
if err, ok := err.(impart.HTTPError); ok {
addSessionFlash(app, w, r, err.Message, nil)
} else {
addSessionFlash(app, w, r, err.Error(), nil)
}
}
var pRes *PublicPost
pRes, err = app.db.GetPost(p.ID, 0)
if reqJSON {
if err != nil {
return err
}
pRes.extractData()
}
if pRes.CollectionID.Valid {
coll, err := app.db.GetCollectionBy("id = ?", pRes.CollectionID.Int64)
if err == nil && !app.cfg.App.Private && app.cfg.App.Federation {
coll.hostName = app.cfg.App.Host
pRes.Collection = &CollectionObj{Collection: *coll}
go federatePost(app, pRes, pRes.Collection.ID, true)
}
}
// Write success now
if reqJSON {
return impart.WriteSuccess(w, pRes, http.StatusOK)
}
addSessionFlash(app, w, r, "Changes saved.", nil)
collectionAlias := vars["alias"]
redirect := "/" + postID + "/meta"
if collectionAlias != "" {
collPre := "/" + collectionAlias
if app.cfg.App.SingleUser {
collPre = ""
}
redirect = collPre + "/" + pRes.Slug.String + "/edit/meta"
} else {
if app.cfg.App.SingleUser {
redirect = "/d" + redirect
}
}
w.Header().Set("Location", redirect)
w.WriteHeader(http.StatusFound)
return nil
}
func deletePost(app *App, w http.ResponseWriter, r *http.Request) error {
vars := mux.Vars(r)
friendlyID := vars["post"]
editToken := r.FormValue("token")
var ownerID int64
var u *User
accessToken := r.Header.Get("Authorization")
if accessToken == "" && editToken == "" {
u = getUserSession(app, r)
if u == nil {
return ErrNoAccessToken
}
}
var res sql.Result
var t *sql.Tx
var err error
var collID sql.NullInt64
var coll *Collection
var pp *PublicPost
if editToken != "" {
// TODO: SELECT owner_id, as well, and return appropriate error if NULL instead of running two queries
var dummy int64
err = app.db.QueryRow("SELECT 1 FROM posts WHERE id = ?", friendlyID).Scan(&dummy)
switch {
case err == sql.ErrNoRows:
return impart.HTTPError{http.StatusNotFound, "Post not found."}
}
err = app.db.QueryRow("SELECT 1 FROM posts WHERE id = ? AND owner_id IS NULL", friendlyID).Scan(&dummy)
switch {
case err == sql.ErrNoRows:
// Post already has an owner. This could provide a bad experience
// for the user, but it's more important to ensure data isn't lost
// unexpectedly. So prevent deletion via token.
return impart.HTTPError{http.StatusConflict, "This post belongs to some user (hopefully yours). Please log in and delete it from that user's account."}
}
res, err = app.db.Exec("DELETE FROM posts WHERE id = ? AND modify_token = ? AND owner_id IS NULL", friendlyID, editToken)
} else if accessToken != "" || u != nil {
// Caller provided some way to authenticate; assume caller expects the
// post to be deleted based on a specific post owner, thus we should
// return corresponding errors.
if accessToken != "" {
ownerID = app.db.GetUserID(accessToken)
if ownerID == -1 {
return ErrBadAccessToken
}
} else {
ownerID = u.ID
}
// TODO: don't make two queries
var realOwnerID sql.NullInt64
err = app.db.QueryRow("SELECT collection_id, owner_id FROM posts WHERE id = ?", friendlyID).Scan(&collID, &realOwnerID)
if err != nil {
return err
}
if !collID.Valid {
// There's no collection; simply delete the post
res, err = app.db.Exec("DELETE FROM posts WHERE id = ? AND owner_id = ?", friendlyID, ownerID)
} else {
// Post belongs to a collection; do any additional clean up
coll, err = app.db.GetCollectionBy("id = ?", collID.Int64)
if err != nil {
log.Error("Unable to get collection: %v", err)
return err
}
if app.cfg.App.Federation {
// First fetch full post for federation
pp, err = app.db.GetOwnedPost(friendlyID, ownerID)
if err != nil {
log.Error("Unable to get owned post: %v", err)
return err
}
collObj := &CollectionObj{Collection: *coll}
pp.Collection = collObj
}
t, err = app.db.Begin()
if err != nil {
log.Error("No begin: %v", err)
return err
}
res, err = t.Exec("DELETE FROM posts WHERE id = ? AND owner_id = ?", friendlyID, ownerID)
}
} else {
return impart.HTTPError{http.StatusBadRequest, "No authenticated user or post token given."}
}
if err != nil {
return err
}
affected, err := res.RowsAffected()
if err != nil {
if t != nil {
t.Rollback()
log.Error("Rows affected err! Rolling back")
}
return err
} else if affected == 0 {
if t != nil {
t.Rollback()
log.Error("No rows affected! Rolling back")
}
return impart.HTTPError{http.StatusForbidden, "Post not found, or you're not the owner."}
}
if t != nil {
t.Commit()
}
if coll != nil && !app.cfg.App.Private && app.cfg.App.Federation {
go deleteFederatedPost(app, pp, collID.Int64)
}
return impart.HTTPError{Status: http.StatusNoContent}
}
// addPost associates a post with the authenticated user.
func addPost(app *App, w http.ResponseWriter, r *http.Request) error {
var ownerID int64
// Authenticate user
at := r.Header.Get("Authorization")
if at != "" {
ownerID = app.db.GetUserID(at)
if ownerID == -1 {
return ErrBadAccessToken
}
} else {
u := getUserSession(app, r)
if u == nil {
return ErrNotLoggedIn
}
ownerID = u.ID
}
silenced, err := app.db.IsUserSilenced(ownerID)
if err != nil {
log.Error("add post: %v", err)
}
if silenced {
return ErrUserSilenced
}
// Parse claimed posts in format:
// [{"id": "...", "token": "..."}]
var claims *[]ClaimPostRequest
decoder := json.NewDecoder(r.Body)
err = decoder.Decode(&claims)
if err != nil {
return ErrBadJSONArray
}
vars := mux.Vars(r)
collAlias := vars["alias"]
// Update all given posts
res, err := app.db.ClaimPosts(app.cfg, ownerID, collAlias, claims)
if err != nil {
return err
}
for _, pRes := range *res {
if pRes.Code != http.StatusOK {
continue
}
if !app.cfg.App.Private && app.cfg.App.Federation {
if !pRes.Post.Created.After(time.Now()) {
pRes.Post.Collection.hostName = app.cfg.App.Host
go federatePost(app, pRes.Post, pRes.Post.Collection.ID, false)
}
}
if app.cfg.Email.Enabled() && pRes.Post.Collection.EmailSubsEnabled() {
go app.db.InsertJob(&PostJob{
PostID: pRes.Post.ID,
Action: "email",
Delay: emailSendDelay,
})
}
}
return impart.WriteSuccess(w, res, http.StatusOK)
}
func dispersePost(app *App, w http.ResponseWriter, r *http.Request) error {
var ownerID int64
// Authenticate user
at := r.Header.Get("Authorization")
if at != "" {
ownerID = app.db.GetUserID(at)
if ownerID == -1 {
return ErrBadAccessToken
}
} else {
u := getUserSession(app, r)
if u == nil {
return ErrNotLoggedIn
}
ownerID = u.ID
}
// Parse posts in format:
// ["..."]
var postIDs []string
decoder := json.NewDecoder(r.Body)
err := decoder.Decode(&postIDs)
if err != nil {
return ErrBadJSONArray
}
// Update all given posts
res, err := app.db.DispersePosts(ownerID, postIDs)
if err != nil {
return err
}
return impart.WriteSuccess(w, res, http.StatusOK)
}
type (
PinPostResult struct {
ID string `json:"id,omitempty"`
Code int `json:"code,omitempty"`
ErrorMessage string `json:"error_msg,omitempty"`
}
)
// pinPost pins a post to a blog
func pinPost(app *App, w http.ResponseWriter, r *http.Request) error {
var userID int64
// Authenticate user
at := r.Header.Get("Authorization")
if at != "" {
userID = app.db.GetUserID(at)
if userID == -1 {
return ErrBadAccessToken
}
} else {
u := getUserSession(app, r)
if u == nil {
return ErrNotLoggedIn
}
userID = u.ID
}
silenced, err := app.db.IsUserSilenced(userID)
if err != nil {
log.Error("pin post: %v", err)
}
if silenced {
return ErrUserSilenced
}
// Parse request
var posts []struct {
ID string `json:"id"`
Position int64 `json:"position"`
}
decoder := json.NewDecoder(r.Body)
err = decoder.Decode(&posts)
if err != nil {
return ErrBadJSONArray
}
// Validate data
vars := mux.Vars(r)
collAlias := vars["alias"]
coll, err := app.db.GetCollection(collAlias)
if err != nil {
return err
}
if coll.OwnerID != userID {
return ErrForbiddenCollection
}
// Do (un)pinning
isPinning := r.URL.Path[strings.LastIndex(r.URL.Path, "/"):] == "/pin"
res := []PinPostResult{}
for _, p := range posts {
err = app.db.UpdatePostPinState(isPinning, p.ID, coll.ID, userID, p.Position)
ppr := PinPostResult{ID: p.ID}
if err != nil {
ppr.Code = http.StatusInternalServerError
// TODO: set error message
} else {
ppr.Code = http.StatusOK
}
res = append(res, ppr)
}
return impart.WriteSuccess(w, res, http.StatusOK)
}
func fetchPost(app *App, w http.ResponseWriter, r *http.Request) error {
var collID int64
var coll *Collection
var err error
vars := mux.Vars(r)
if collAlias := vars["alias"]; collAlias != "" {
// Fetch collection information, since an alias is provided
coll, err = app.db.GetCollection(collAlias)
if err != nil {
return err
}
collID = coll.ID
}
p, err := app.db.GetPost(vars["post"], collID)
if err != nil {
return err
}
if coll == nil && p.CollectionID.Valid {
// Collection post is getting fetched by post ID, not coll alias + post slug, so get coll info now.
coll, err = app.db.GetCollectionByID(p.CollectionID.Int64)
if err != nil {
return err
}
}
if coll != nil {
coll.hostName = app.cfg.App.Host
_, err = apiCheckCollectionPermissions(app, r, coll)
if err != nil {
return err
}
}
silenced, err := app.db.IsUserSilenced(p.OwnerID.Int64)
if err != nil {
log.Error("fetch post: %v", err)
}
if silenced {
return ErrPostNotFound
}
p.extractData()
if IsActivityPubRequest(r) {
if coll == nil {
// This is a draft post; 404 for now
// TODO: return ActivityObject
return impart.HTTPError{http.StatusNotFound, ""}
}
p.Collection = &CollectionObj{Collection: *coll}
po := p.ActivityObject(app)
po.Context = []interface{}{activitystreams.Namespace}
setCacheControl(w, apCacheTime)
return impart.RenderActivityJSON(w, po, http.StatusOK)
}
return impart.WriteSuccess(w, p, http.StatusOK)
}
func fetchPostProperty(app *App, w http.ResponseWriter, r *http.Request) error {
vars := mux.Vars(r)
p, err := app.db.GetPostProperty(vars["post"], 0, vars["property"])
if err != nil {
return err
}
return impart.WriteSuccess(w, p, http.StatusOK)
}
func (p *Post) processPost() PublicPost {
res := &PublicPost{Post: p, Views: 0}
res.Views = p.ViewCount
// TODO: move to own function
loc := monday.FuzzyLocale(p.Language.String)
res.DisplayDate = monday.Format(p.Created, monday.LongFormatsByLocale[loc], loc)
return *res
}
func (p *PublicPost) CanonicalURL(hostName string) string {
if p.Collection == nil || p.Collection.Alias == "" {
return hostName + "/" + p.ID + ".md"
}
return p.Collection.CanonicalURL() + p.Slug.String
}
func (pp *PublicPost) DisplayCanonicalURL() string {
us := pp.CanonicalURL(pp.Collection.hostName)
u, err := url.Parse(us)
if err != nil {
return us
}
return u.Hostname() + u.Path
}
func (p *PublicPost) ActivityObject(app *App) *activitystreams.Object {
cfg := app.cfg
var o *activitystreams.Object
if cfg.App.NotesOnly || strings.Index(p.Content, "\n\n") == -1 {
o = activitystreams.NewNoteObject()
} else {
o = activitystreams.NewArticleObject()
}
o.ID = p.Collection.FederatedAPIBase() + "api/posts/" + p.ID
o.Published = p.Created
o.URL = p.CanonicalURL(cfg.App.Host)
o.AttributedTo = p.Collection.FederatedAccount()
o.CC = []string{
p.Collection.FederatedAccount() + "/followers",
}
o.Name = p.DisplayTitle()
p.augmentContent()
if p.HTMLContent == template.HTML("") {
p.formatContent(cfg, false, false)
p.augmentReadingDestination()
}
o.Content = string(p.HTMLContent)
if p.Language.Valid {
o.ContentMap = map[string]string{
p.Language.String: string(p.HTMLContent),
}
}
if len(p.Tags) == 0 {
o.Tag = []activitystreams.Tag{}
} else {
var tagBaseURL string
if isSingleUser {
tagBaseURL = p.Collection.CanonicalURL() + "tag:"
} else {
if cfg.App.Chorus {
tagBaseURL = fmt.Sprintf("%s/read/t/", p.Collection.hostName)
} else {
tagBaseURL = fmt.Sprintf("%s/%s/tag:", p.Collection.hostName, p.Collection.Alias)
}
}
for _, t := range p.Tags {
o.Tag = append(o.Tag, activitystreams.Tag{
Type: activitystreams.TagHashtag,
HRef: tagBaseURL + t,
Name: "#" + t,
})
}
}
if len(p.Images) > 0 {
for _, i := range p.Images {
o.Attachment = append(o.Attachment, activitystreams.NewImageAttachment(i))
}
}
// Find mentioned users
mentionedUsers := make(map[string]string)
stripper := bluemonday.StrictPolicy()
content := stripper.Sanitize(p.Content)
mentions := mentionReg.FindAllString(content, -1)
for _, handle := range mentions {
actorIRI, err := app.db.GetProfilePageFromHandle(app, handle)
if err != nil {
log.Info("Couldn't find user '%s' locally or remotely", handle)
continue
}
mentionedUsers[handle] = actorIRI
}
for handle, iri := range mentionedUsers {
o.CC = append(o.CC, iri)
o.Tag = append(o.Tag, activitystreams.Tag{Type: "Mention", HRef: iri, Name: handle})
}
return o
}
// TODO: merge this into getSlugFromPost or phase it out
func getSlug(title, lang string) string {
return getSlugFromPost("", title, lang)
}
func getSlugFromPost(title, body, lang string) string {
if title == "" {
// Remove Markdown, so e.g. link URLs and image alt text don't make it into the slug
body = strings.TrimSpace(stripmd.StripOptions(body, stripmd.Options{SkipImages: true}))
title = postTitle(body, body)
}
title = parse.PostLede(title, false)
// Truncate lede if needed
title, _ = parse.TruncToWord(title, 80)
var s string
if lang != "" && len(lang) == 2 {
s = slug.MakeLang(title, lang)
} else {
s = slug.Make(title)
}
// Transliteration may cause the slug to expand past the limit, so truncate again
s, _ = parse.TruncToWord(s, 80)
return strings.TrimFunc(s, func(r rune) bool {
// TruncToWord doesn't respect words in a slug, since spaces are replaced
// with hyphens. So remove any trailing hyphens.
return r == '-'
})
}
// isFontValid returns whether or not the submitted post's appearance is valid.
func (p *SubmittedPost) isFontValid() bool {
validFonts := map[string]bool{
"norm": true,
"sans": true,
"mono": true,
"wrap": true,
"code": true,
}
_, valid := validFonts[p.Font]
return valid
}
func getRawPost(app *App, friendlyID string) *RawPost {
var content, font, title string
var isRTL sql.NullBool
var lang sql.NullString
var ownerID sql.NullInt64
var created, updated time.Time
err := app.db.QueryRow("SELECT title, content, text_appearance, language, rtl, created, updated, owner_id FROM posts WHERE id = ?", friendlyID).Scan(&title, &content, &font, &lang, &isRTL, &created, &updated, &ownerID)
switch {
case err == sql.ErrNoRows:
return &RawPost{Content: "", Found: false, Gone: false}
case err != nil:
log.Error("Unable to fetch getRawPost: %s", err)
return &RawPost{Content: "", Found: true, Gone: false}
}
return &RawPost{
Title: title,
Content: content,
Font: font,
Created: created,
Updated: updated,
IsRTL: isRTL,
Language: lang,
OwnerID: ownerID.Int64,
Found: true,
Gone: content == "" && title == "",
}
}
// TODO; return a Post!
func getRawCollectionPost(app *App, slug, collAlias string) *RawPost {
var id, title, content, font string
var isRTL sql.NullBool
var lang sql.NullString
var created, updated time.Time
var ownerID null.Int
var views int64
var err error
if app.cfg.App.SingleUser {
err = app.db.QueryRow("SELECT id, title, content, text_appearance, language, rtl, view_count, created, updated, owner_id FROM posts WHERE slug = ? AND collection_id = 1", slug).Scan(&id, &title, &content, &font, &lang, &isRTL, &views, &created, &updated, &ownerID)
} else {
err = app.db.QueryRow("SELECT id, title, content, text_appearance, language, rtl, view_count, created, updated, owner_id FROM posts WHERE slug = ? AND collection_id = (SELECT id FROM collections WHERE alias = ?)", slug, collAlias).Scan(&id, &title, &content, &font, &lang, &isRTL, &views, &created, &updated, &ownerID)
}
switch {
case err == sql.ErrNoRows:
return &RawPost{Content: "", Found: false, Gone: false}
case err != nil:
log.Error("Unable to fetch getRawCollectionPost: %s", err)
return &RawPost{Content: "", Found: true, Gone: false}
}
return &RawPost{
Id: id,
Slug: slug,
Title: title,
Content: content,
Font: font,
Created: created,
Updated: updated,
IsRTL: isRTL,
Language: lang,
OwnerID: ownerID.Int64,
Found: true,
Gone: content == "" && title == "",
Views: views,
}
}
func isRaw(r *http.Request) bool {
vars := mux.Vars(r)
slug := vars["slug"]
// NOTE: until this is done better, be sure to keep this in parity with
// isRaw in viewCollectionPost() and handleViewPost()
isJSON := strings.HasSuffix(slug, ".json")
isXML := strings.HasSuffix(slug, ".xml")
isMarkdown := strings.HasSuffix(slug, ".md")
return strings.HasSuffix(slug, ".txt") || isJSON || isXML || isMarkdown
}
func viewCollectionPost(app *App, w http.ResponseWriter, r *http.Request) error {
vars := mux.Vars(r)
slug := vars["slug"]
// NOTE: until this is done better, be sure to keep this in parity with
// isRaw() and handleViewPost()
isJSON := strings.HasSuffix(slug, ".json")
isXML := strings.HasSuffix(slug, ".xml")
isMarkdown := strings.HasSuffix(slug, ".md")
isRaw := strings.HasSuffix(slug, ".txt") || isJSON || isXML || isMarkdown
cr := &collectionReq{}
err := processCollectionRequest(cr, vars, w, r)
if err != nil {
return err
}
// Check for hellbanned users
u, err := checkUserForCollection(app, cr, r, true)
if err != nil {
return err
}
// Normalize the URL, redirecting user to consistent post URL
if slug != strings.ToLower(slug) {
loc := fmt.Sprintf("/%s", strings.ToLower(slug))
if !app.cfg.App.SingleUser {
loc = "/" + cr.alias + loc
}
return impart.HTTPError{http.StatusMovedPermanently, loc}
}
// Display collection if this is a collection
var c *Collection
if app.cfg.App.SingleUser {
c, err = app.db.GetCollectionByID(1)
} else {
c, err = app.db.GetCollection(cr.alias)
}
if err != nil {
if err, ok := err.(impart.HTTPError); ok {
if err.Status == http.StatusNotFound {
// Redirect if necessary
newAlias := app.db.GetCollectionRedirect(cr.alias)
if newAlias != "" {
return impart.HTTPError{http.StatusFound, "/" + newAlias + "/" + slug}
}
}
}
return err
}
c.hostName = app.cfg.App.Host
silenced, err := app.db.IsUserSilenced(c.OwnerID)
if err != nil {
log.Error("view collection post: %v", err)
}
// Check collection permissions
if c.IsPrivate() && (u == nil || u.ID != c.OwnerID) {
return ErrPostNotFound
}
if c.IsProtected() && (u == nil || u.ID != c.OwnerID) {
if silenced {
return ErrPostNotFound
} else if !isAuthorizedForCollection(app, c.Alias, r) {
return impart.HTTPError{http.StatusFound, c.CanonicalURL() + "/?g=" + slug}
}
}
cr.isCollOwner = u != nil && c.OwnerID == u.ID
if isRaw {
slug = strings.Split(slug, ".")[0]
}
// Fetch extra data about the Collection
// TODO: refactor out this logic, shared in collection.go:fetchCollection()
coll := NewCollectionObj(c)
owner, err := app.db.GetUserByID(coll.OwnerID)
if err != nil {
// Log the error and just continue
log.Error("Error getting user for collection: %v", err)
} else {
coll.Owner = owner
}
postFound := true
p, err := app.db.GetPost(slug, coll.ID)
if err != nil {
if err == ErrCollectionPageNotFound {
postFound = false
if slug == "feed" {
// User tried to access blog feed without a trailing slash, and
// there's no post with a slug "feed"
return impart.HTTPError{http.StatusFound, c.CanonicalURL() + "feed/"}
}
po := &Post{
Slug: null.NewString(slug, true),
Font: "norm",
Language: zero.NewString("en", true),
RTL: zero.NewBool(false, true),
Content: `This page is missing.
Are you sure it was ever here?`,
}
pp := po.processPost()
p = &pp
} else {
return err
}
}
// Check if the authenticated user is the post owner
p.IsOwner = u != nil && u.ID == p.OwnerID.Int64
p.Collection = coll
p.IsTopLevel = app.cfg.App.SingleUser
// Only allow a post owner or admin to view a post for silenced collections
if silenced && !p.IsOwner && (u == nil || !u.IsAdmin()) {
return ErrPostNotFound
}
// Check if post has been unpublished
if p.Content == "" && p.Title.String == "" {
return impart.HTTPError{http.StatusGone, "Post was unpublished."}
}
p.augmentContent()
// Serve collection post
if isRaw {
contentType := "text/plain"
if isJSON {
contentType = "application/json"
} else if isXML {
contentType = "application/xml"
} else if isMarkdown {
contentType = "text/markdown"
}
w.Header().Set("Content-Type", fmt.Sprintf("%s; charset=utf-8", contentType))
if !postFound {
w.WriteHeader(http.StatusNotFound)
fmt.Fprintf(w, "Post not found.")
// TODO: return error instead, so status is correctly reflected in logs
return nil
}
if isMarkdown && p.Title.String != "" {
fmt.Fprintf(w, "# %s\n\n", p.Title.String)
}
fmt.Fprint(w, p.Content)
} else if IsActivityPubRequest(r) {
if !postFound {
return ErrCollectionPageNotFound
}
p.extractData()
ap := p.ActivityObject(app)
ap.Context = []interface{}{activitystreams.Namespace}
setCacheControl(w, apCacheTime)
return impart.RenderActivityJSON(w, ap, http.StatusOK)
} else {
p.extractData()
p.Content = strings.Replace(p.Content, "", "", 1)
if app.cfg.Email.Enabled() && c.EmailSubsEnabled() {
// TODO: indicate plan is inactive or subs disabled when OWNER is viewing their own post.
if u != nil && u.IsEmailSubscriber(app, c.ID) {
p.Content = strings.Replace(p.Content, "", `You're subscribed to email updates. Unsubscribe.
`, -1)
} else {
p.Content = strings.Replace(p.Content, "", ``, -1)
}
}
p.Content = strings.Replace(p.Content, "<!--emailsub-->", "", 1)
// TODO: move this to function
p.formatContent(app.cfg, cr.isCollOwner, true)
tp := CollectionPostPage{
PublicPost: p,
StaticPage: pageForReq(app, r),
IsOwner: cr.isCollOwner,
IsCustomDomain: cr.isCustomDomain,
IsFound: postFound,
Silenced: silenced,
CollAlias: c.Alias,
}
tp.IsAdmin = u != nil && u.IsAdmin()
tp.CanInvite = canUserInvite(app.cfg, tp.IsAdmin)
tp.PinnedPosts, _ = app.db.GetPinnedPosts(coll, p.IsOwner)
tp.IsPinned = len(*tp.PinnedPosts) > 0 && PostsContains(tp.PinnedPosts, p)
tp.Monetization = coll.Monetization
tp.Verification = coll.Verification
if !postFound {
w.WriteHeader(http.StatusNotFound)
}
postTmpl := "collection-post"
if app.cfg.App.Chorus {
postTmpl = "chorus-collection-post"
}
if err := templates[postTmpl].ExecuteTemplate(w, "post", tp); err != nil {
log.Error("Error in %s template: %v", postTmpl, err)
}
}
go func() {
if p.OwnerID.Valid {
// Post is owned by someone. Don't update stats if owner is viewing the post.
if u != nil && p.OwnerID.Int64 == u.ID {
return
}
}
// Update stats for non-raw post views
if !isRaw && r.Method != "HEAD" && !bots.IsBot(r.UserAgent()) {
_, err := app.db.Exec("UPDATE posts SET view_count = view_count + 1 WHERE slug = ? AND collection_id = ?", slug, coll.ID)
if err != nil {
log.Error("Unable to update posts count: %v", err)
}
}
}()
return nil
}
// TODO: move this to utils after making it more generic
func PostsContains(sl *[]PublicPost, s *PublicPost) bool {
for _, e := range *sl {
if e.ID == s.ID {
return true
}
}
return false
}
func (p *Post) extractData() {
p.Tags = tags.Extract(p.Content)
p.extractImages()
}
func (p *Post) IsSans() bool {
return p.Font == "sans"
}
func (p *Post) IsMonospace() bool {
return p.Font == "mono"
}
func (rp *RawPost) UserFacingCreated() string {
return rp.Created.Format(postMetaDateFormat)
}
func (rp *RawPost) Created8601() string {
return rp.Created.Format("2006-01-02T15:04:05Z")
}
func (rp *RawPost) Updated8601() string {
if rp.Updated.IsZero() {
return ""
}
return rp.Updated.Format("2006-01-02T15:04:05Z")
}
var imageURLRegex = regexp.MustCompile(`(?i)[^ ]+\.(gif|png|jpg|jpeg|avif|avifs|webp|jxl|image)$`)
func (p *Post) extractImages() {
p.Images = extractImages(p.Content)
}
func extractImages(content string) []string {
matches := extract.ExtractUrls(content)
urls := map[string]bool{}
for i := range matches {
uRaw := matches[i].Text
// Parse the extracted text so we can examine the path
u, err := url.Parse(uRaw)
if err != nil {
continue
}
// Ensure the path looks like it leads to an image file
if !imageURLRegex.MatchString(u.Path) {
continue
}
urls[uRaw] = true
}
resURLs := make([]string, 0)
for k := range urls {
resURLs = append(resURLs, k)
}
return resURLs
}