writefreely/admin.go
Matt Baer a72ce2ef29 Make landing page dynamic
This enables admins to customize their landing / home page via the Admin
dashboard -- including the text at the top of the page and the section
below it. It keeps the current default text, falling back to it if the
user hasn't overwritten it.

Ref T565
2019-06-27 17:06:37 -04:00

452 lines
13 KiB
Go

/*
* Copyright © 2018-2019 A Bunch Tell 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"
"fmt"
"github.com/gogits/gogs/pkg/tool"
"github.com/gorilla/mux"
"github.com/writeas/impart"
"github.com/writeas/web-core/auth"
"github.com/writeas/web-core/log"
"github.com/writeas/writefreely/config"
"net/http"
"runtime"
"strconv"
"time"
)
var (
appStartTime = time.Now()
sysStatus systemStatus
)
const adminUsersPerPage = 30
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
}
type inspectedCollection struct {
CollectionObj
Followers int
LastPost string
}
type instanceContent struct {
ID string
Type string
Title sql.NullString
Content string
Updated time.Time
}
func (c instanceContent) UpdatedFriendly() string {
/*
// TODO: accept a locale in this method and use that for the format
var loc monday.Locale = monday.LocaleEnUS
return monday.Format(u.Created, monday.DateTimeFormatsByLocale[loc], loc)
*/
return c.Updated.Format("January 2, 2006, 3:04 PM")
}
func handleViewAdminDash(app *App, u *User, w http.ResponseWriter, r *http.Request) error {
updateAppStats()
p := struct {
*UserPage
SysStatus systemStatus
Config config.AppCfg
Message, ConfigMessage string
}{
UserPage: NewUserPage(app, r, u, "Admin", nil),
SysStatus: sysStatus,
Config: app.cfg.App,
Message: r.FormValue("m"),
ConfigMessage: r.FormValue("cm"),
}
showUserPage(w, "admin", p)
return nil
}
func handleViewAdminUsers(app *App, u *User, w http.ResponseWriter, r *http.Request) error {
p := struct {
*UserPage
Config config.AppCfg
Message string
Users *[]User
CurPage int
TotalUsers int64
TotalPages []int
}{
UserPage: NewUserPage(app, r, u, "Users", nil),
Config: app.cfg.App,
Message: r.FormValue("m"),
}
p.TotalUsers = app.db.GetAllUsersCount()
ttlPages := p.TotalUsers / adminUsersPerPage
p.TotalPages = []int{}
for i := 1; i <= int(ttlPages); i++ {
p.TotalPages = append(p.TotalPages, i)
}
var err error
p.CurPage, err = strconv.Atoi(r.FormValue("p"))
if err != nil || p.CurPage < 1 {
p.CurPage = 1
} else if p.CurPage > int(ttlPages) {
p.CurPage = int(ttlPages)
}
p.Users, err = app.db.GetAllUsers(uint(p.CurPage))
if err != nil {
return impart.HTTPError{http.StatusInternalServerError, fmt.Sprintf("Could not get users: %v", err)}
}
showUserPage(w, "users", p)
return nil
}
func handleViewAdminUser(app *App, u *User, w http.ResponseWriter, r *http.Request) error {
vars := mux.Vars(r)
username := vars["username"]
if username == "" {
return impart.HTTPError{http.StatusFound, "/admin/users"}
}
p := struct {
*UserPage
Config config.AppCfg
Message string
User *User
Colls []inspectedCollection
LastPost string
TotalPosts int64
}{
Config: app.cfg.App,
Message: r.FormValue("m"),
Colls: []inspectedCollection{},
}
var err error
p.User, err = app.db.GetUserForAuth(username)
if err != nil {
return impart.HTTPError{http.StatusInternalServerError, fmt.Sprintf("Could not get user: %v", err)}
}
p.UserPage = NewUserPage(app, r, u, p.User.Username, nil)
p.TotalPosts = app.db.GetUserPostsCount(p.User.ID)
lp, err := app.db.GetUserLastPostTime(p.User.ID)
if err != nil {
return impart.HTTPError{http.StatusInternalServerError, fmt.Sprintf("Could not get user's last post time: %v", err)}
}
if lp != nil {
p.LastPost = lp.Format("January 2, 2006, 3:04 PM")
}
colls, err := app.db.GetCollections(p.User)
if err != nil {
return impart.HTTPError{http.StatusInternalServerError, fmt.Sprintf("Could not get user's collections: %v", err)}
}
for _, c := range *colls {
ic := inspectedCollection{
CollectionObj: CollectionObj{Collection: c},
}
if app.cfg.App.Federation {
folls, err := app.db.GetAPFollowers(&c)
if err == nil {
// TODO: handle error here (at least log it)
ic.Followers = len(*folls)
}
}
app.db.GetPostsCount(&ic.CollectionObj, true)
lp, err := app.db.GetCollectionLastPostTime(c.ID)
if err != nil {
log.Error("Didn't get last post time for collection %d: %v", c.ID, err)
}
if lp != nil {
ic.LastPost = lp.Format("January 2, 2006, 3:04 PM")
}
p.Colls = append(p.Colls, ic)
}
showUserPage(w, "view-user", p)
return nil
}
func handleViewAdminPages(app *App, u *User, w http.ResponseWriter, r *http.Request) error {
p := struct {
*UserPage
Config config.AppCfg
Message string
Pages []*instanceContent
}{
UserPage: NewUserPage(app, r, u, "Pages", nil),
Config: app.cfg.App,
Message: r.FormValue("m"),
}
var err error
p.Pages, err = app.db.GetInstancePages()
if err != nil {
return impart.HTTPError{http.StatusInternalServerError, fmt.Sprintf("Could not get pages: %v", err)}
}
// Add in default pages
var hasAbout, hasPrivacy bool
for i, c := range p.Pages {
if hasAbout && hasPrivacy {
break
}
if c.ID == "about" {
hasAbout = true
if !c.Title.Valid {
p.Pages[i].Title = defaultAboutTitle(app.cfg)
}
} else if c.ID == "privacy" {
hasPrivacy = true
if !c.Title.Valid {
p.Pages[i].Title = defaultPrivacyTitle()
}
}
}
if !hasAbout {
p.Pages = append(p.Pages, &instanceContent{
ID: "about",
Title: defaultAboutTitle(app.cfg),
Content: defaultAboutPage(app.cfg),
Updated: defaultPageUpdatedTime,
})
}
if !hasPrivacy {
p.Pages = append(p.Pages, &instanceContent{
ID: "privacy",
Title: defaultPrivacyTitle(),
Content: defaultPrivacyPolicy(app.cfg),
Updated: defaultPageUpdatedTime,
})
}
showUserPage(w, "pages", p)
return nil
}
func handleViewAdminPage(app *App, u *User, w http.ResponseWriter, r *http.Request) error {
vars := mux.Vars(r)
slug := vars["slug"]
if slug == "" {
return impart.HTTPError{http.StatusFound, "/admin/pages"}
}
p := struct {
*UserPage
Config config.AppCfg
Message string
Banner *instanceContent
Content *instanceContent
}{
Config: app.cfg.App,
Message: r.FormValue("m"),
}
var err error
// Get pre-defined pages, or select slug
if slug == "about" {
p.Content, err = getAboutPage(app)
} else if slug == "privacy" {
p.Content, err = getPrivacyPage(app)
} else if slug == "landing" {
p.Banner, err = getLandingBanner(app)
if err != nil {
return impart.HTTPError{http.StatusInternalServerError, fmt.Sprintf("Could not get banner: %v", err)}
}
p.Content, err = getLandingPage(app)
p.Content.ID = "landing"
} else {
p.Content, err = app.db.GetDynamicContent(slug)
}
if err != nil {
return impart.HTTPError{http.StatusInternalServerError, fmt.Sprintf("Could not get page: %v", err)}
}
title := "New page"
if p.Content != nil {
title = "Edit " + p.Content.ID
} else {
p.Content = &instanceContent{}
}
p.UserPage = NewUserPage(app, r, u, title, nil)
showUserPage(w, "view-page", p)
return nil
}
func handleAdminUpdateSite(app *App, u *User, w http.ResponseWriter, r *http.Request) error {
vars := mux.Vars(r)
id := vars["page"]
// Validate
if id != "about" && id != "privacy" && id != "landing" {
return impart.HTTPError{http.StatusNotFound, "No such page."}
}
var err error
m := ""
if id == "landing" {
// Handle special landing page
err = app.db.UpdateDynamicContent("landing-banner", "", r.FormValue("banner"), "section")
if err != nil {
m = "?m=" + err.Error()
return impart.HTTPError{http.StatusFound, "/admin/page/" + id + m}
}
err = app.db.UpdateDynamicContent("landing-body", "", r.FormValue("content"), "section")
} else {
// Update page
err = app.db.UpdateDynamicContent(id, r.FormValue("title"), r.FormValue("content"), "page")
}
if err != nil {
m = "?m=" + err.Error()
}
return impart.HTTPError{http.StatusFound, "/admin/page/" + id + m}
}
func handleAdminUpdateConfig(apper Apper, u *User, w http.ResponseWriter, r *http.Request) error {
apper.App().cfg.App.SiteName = r.FormValue("site_name")
apper.App().cfg.App.SiteDesc = r.FormValue("site_desc")
apper.App().cfg.App.Landing = r.FormValue("landing")
apper.App().cfg.App.OpenRegistration = r.FormValue("open_registration") == "on"
mul, err := strconv.Atoi(r.FormValue("min_username_len"))
if err == nil {
apper.App().cfg.App.MinUsernameLen = mul
}
mb, err := strconv.Atoi(r.FormValue("max_blogs"))
if err == nil {
apper.App().cfg.App.MaxBlogs = mb
}
apper.App().cfg.App.Federation = r.FormValue("federation") == "on"
apper.App().cfg.App.PublicStats = r.FormValue("public_stats") == "on"
apper.App().cfg.App.Private = r.FormValue("private") == "on"
apper.App().cfg.App.LocalTimeline = r.FormValue("local_timeline") == "on"
if apper.App().cfg.App.LocalTimeline && apper.App().timeline == nil {
log.Info("Initializing local timeline...")
initLocalTimeline(apper.App())
}
apper.App().cfg.App.UserInvites = r.FormValue("user_invites")
if apper.App().cfg.App.UserInvites == "none" {
apper.App().cfg.App.UserInvites = ""
}
m := "?cm=Configuration+saved."
err = apper.SaveConfig(apper.App().cfg)
if err != nil {
m = "?cm=" + err.Error()
}
return impart.HTTPError{http.StatusFound, "/admin" + m + "#config"}
}
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
}