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admin.go
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admin.go
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package writefreely
import (
"fmt"
"github.com/gogits/gogs/pkg/tool"
"github.com/writeas/impart"
"github.com/writeas/web-core/auth"
"net/http"
"runtime"
"time"
)
var (
appStartTime = time.Now()
sysStatus systemStatus
)
type systemStatus struct {
Uptime string
NumGoroutine int
// General statistics.
MemAllocated string // bytes allocated and still in use
MemTotal string // bytes allocated (even if freed)
MemSys string // bytes obtained from system (sum of XxxSys below)
Lookups uint64 // number of pointer lookups
MemMallocs uint64 // number of mallocs
MemFrees uint64 // number of frees
// Main allocation heap statistics.
HeapAlloc string // bytes allocated and still in use
HeapSys string // bytes obtained from system
HeapIdle string // bytes in idle spans
HeapInuse string // bytes in non-idle span
HeapReleased string // bytes released to the OS
HeapObjects uint64 // total number of allocated objects
// Low-level fixed-size structure allocator statistics.
// Inuse is bytes used now.
// Sys is bytes obtained from system.
StackInuse string // bootstrap stacks
StackSys string
MSpanInuse string // mspan structures
MSpanSys string
MCacheInuse string // mcache structures
MCacheSys string
BuckHashSys string // profiling bucket hash table
GCSys string // GC metadata
OtherSys string // other system allocations
// Garbage collector statistics.
NextGC string // next run in HeapAlloc time (bytes)
LastGC string // last run in absolute time (ns)
PauseTotalNs string
PauseNs string // circular buffer of recent GC pause times, most recent at [(NumGC+255)%256]
NumGC uint32
}
func handleViewAdminDash(app *app, u *User, w http.ResponseWriter, r *http.Request) error {
updateAppStats()
p := struct {
*UserPage
Message string
SysStatus systemStatus
}{
NewUserPage(app, r, u, "Admin", nil),
r.FormValue("m"),
sysStatus,
}
showUserPage(w, "admin", p)
return nil
}
func updateAppStats() {
sysStatus.Uptime = tool.TimeSincePro(appStartTime)
m := new(runtime.MemStats)
runtime.ReadMemStats(m)
sysStatus.NumGoroutine = runtime.NumGoroutine()
sysStatus.MemAllocated = tool.FileSize(int64(m.Alloc))
sysStatus.MemTotal = tool.FileSize(int64(m.TotalAlloc))
sysStatus.MemSys = tool.FileSize(int64(m.Sys))
sysStatus.Lookups = m.Lookups
sysStatus.MemMallocs = m.Mallocs
sysStatus.MemFrees = m.Frees
sysStatus.HeapAlloc = tool.FileSize(int64(m.HeapAlloc))
sysStatus.HeapSys = tool.FileSize(int64(m.HeapSys))
sysStatus.HeapIdle = tool.FileSize(int64(m.HeapIdle))
sysStatus.HeapInuse = tool.FileSize(int64(m.HeapInuse))
sysStatus.HeapReleased = tool.FileSize(int64(m.HeapReleased))
sysStatus.HeapObjects = m.HeapObjects
sysStatus.StackInuse = tool.FileSize(int64(m.StackInuse))
sysStatus.StackSys = tool.FileSize(int64(m.StackSys))
sysStatus.MSpanInuse = tool.FileSize(int64(m.MSpanInuse))
sysStatus.MSpanSys = tool.FileSize(int64(m.MSpanSys))
sysStatus.MCacheInuse = tool.FileSize(int64(m.MCacheInuse))
sysStatus.MCacheSys = tool.FileSize(int64(m.MCacheSys))
sysStatus.BuckHashSys = tool.FileSize(int64(m.BuckHashSys))
sysStatus.GCSys = tool.FileSize(int64(m.GCSys))
sysStatus.OtherSys = tool.FileSize(int64(m.OtherSys))
sysStatus.NextGC = tool.FileSize(int64(m.NextGC))
sysStatus.LastGC = fmt.Sprintf("%.1fs", float64(time.Now().UnixNano()-int64(m.LastGC))/1000/1000/1000)
sysStatus.PauseTotalNs = fmt.Sprintf("%.1fs", float64(m.PauseTotalNs)/1000/1000/1000)
sysStatus.PauseNs = fmt.Sprintf("%.3fs", float64(m.PauseNs[(m.NumGC+255)%256])/1000/1000/1000)
sysStatus.NumGC = m.NumGC
}
func adminResetPassword(app *app, u *User, newPass string) error {
hashedPass, err := auth.HashPass([]byte(newPass))
if err != nil {
return impart.HTTPError{http.StatusInternalServerError, fmt.Sprintf("Could not create password hash: %v", err)}
}
err = app.db.ChangePassphrase(u.ID, true, "", hashedPass)
if err != nil {
return impart.HTTPError{http.StatusInternalServerError, fmt.Sprintf("Could not update passphrase: %v", err)}
}
return nil
}

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