mirror of https://github.com/jlelse/GoBlog
Simple blogging system written in Go
https://goblog.app
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153 lines
3.6 KiB
153 lines
3.6 KiB
package main |
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import ( |
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"html/template" |
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"log" |
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"os/exec" |
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"time" |
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"go.goblog.app/app/pkgs/bufferpool" |
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) |
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func (a *goBlog) preStartHooks() { |
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cfg := a.cfg.Hooks |
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for _, cmd := range cfg.PreStart { |
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func(cmd string) { |
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executeHookCommand("pre-start", cfg.Shell, cmd) |
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}(cmd) |
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} |
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} |
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type postHookFunc func(*post) |
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func (a *goBlog) postPostHooks(p *post) { |
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// Hooks after post published |
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if hc := a.cfg.Hooks; hc != nil { |
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for _, cmdTmplString := range hc.PostPost { |
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go func(p *post, cmdTmplString string) { |
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a.cfg.Hooks.executeTemplateCommand("post-post", cmdTmplString, map[string]any{ |
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"URL": a.fullPostURL(p), |
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"Post": p, |
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}) |
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}(p, cmdTmplString) |
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} |
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} |
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for _, f := range a.pPostHooks { |
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go f(p) |
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} |
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} |
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func (a *goBlog) postUpdateHooks(p *post) { |
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// Hooks after post updated |
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if hc := a.cfg.Hooks; hc != nil { |
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for _, cmdTmplString := range hc.PostUpdate { |
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go func(p *post, cmdTmplString string) { |
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a.cfg.Hooks.executeTemplateCommand("post-update", cmdTmplString, map[string]any{ |
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"URL": a.fullPostURL(p), |
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"Post": p, |
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}) |
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}(p, cmdTmplString) |
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} |
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} |
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for _, f := range a.pUpdateHooks { |
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go f(p) |
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} |
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} |
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func (a *goBlog) postDeleteHooks(p *post) { |
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if hc := a.cfg.Hooks; hc != nil { |
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for _, cmdTmplString := range hc.PostDelete { |
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go func(p *post, cmdTmplString string) { |
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a.cfg.Hooks.executeTemplateCommand("post-delete", cmdTmplString, map[string]any{ |
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"URL": a.fullPostURL(p), |
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"Post": p, |
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}) |
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}(p, cmdTmplString) |
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} |
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} |
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for _, f := range a.pDeleteHooks { |
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go f(p) |
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} |
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} |
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func (a *goBlog) postUndeleteHooks(p *post) { |
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if hc := a.cfg.Hooks; hc != nil { |
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for _, cmdTmplString := range hc.PostUndelete { |
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go func(p *post, cmdTmplString string) { |
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a.cfg.Hooks.executeTemplateCommand("post-undelete", cmdTmplString, map[string]any{ |
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"URL": a.fullPostURL(p), |
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"Post": p, |
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}) |
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}(p, cmdTmplString) |
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} |
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} |
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for _, f := range a.pUndeleteHooks { |
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go f(p) |
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} |
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} |
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func (cfg *configHooks) executeTemplateCommand(hookType string, tmpl string, data map[string]any) { |
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cmdTmpl, err := template.New("cmd").Parse(tmpl) |
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if err != nil { |
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log.Println("Failed to parse cmd template:", err.Error()) |
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return |
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} |
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cmdBuf := bufferpool.Get() |
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defer bufferpool.Put(cmdBuf) |
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if err = cmdTmpl.Execute(cmdBuf, data); err != nil { |
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log.Println("Failed to execute cmd template:", err.Error()) |
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return |
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} |
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executeHookCommand(hookType, cfg.Shell, cmdBuf.String()) |
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} |
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type hourlyHookFunc func() |
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func (a *goBlog) startHourlyHooks() { |
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cfg := a.cfg.Hooks |
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// Add configured hourly hooks |
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for _, cmd := range cfg.Hourly { |
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c := cmd |
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f := func() { |
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executeHookCommand("hourly", cfg.Shell, c) |
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} |
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a.hourlyHooks = append(a.hourlyHooks, f) |
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} |
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// When there are hooks, start ticker |
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if len(a.hourlyHooks) > 0 { |
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// Wait for next full hour |
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tr := time.AfterFunc(time.Until(time.Now().Truncate(time.Hour).Add(time.Hour)), func() { |
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// Execute once |
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for _, f := range a.hourlyHooks { |
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go f() |
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} |
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// Start ticker and execute regularly |
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ticker := time.NewTicker(1 * time.Hour) |
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a.shutdown.Add(func() { |
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ticker.Stop() |
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log.Println("Stopped hourly hooks") |
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}) |
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for range ticker.C { |
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for _, f := range a.hourlyHooks { |
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go f() |
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} |
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} |
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}) |
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a.shutdown.Add(func() { |
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if tr.Stop() { |
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log.Println("Canceled hourly hooks") |
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} |
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}) |
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} |
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} |
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func executeHookCommand(hookType, shell, cmd string) { |
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log.Printf("Executing %v hook: %v", hookType, cmd) |
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out, err := exec.Command(shell, "-c", cmd).CombinedOutput() |
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if err != nil { |
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log.Println("Failed to execute command:", err.Error()) |
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} |
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if len(out) > 0 { |
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log.Printf("Output:\n%v", string(out)) |
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} |
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}
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