2020-07-31 13:48:01 +00:00
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package main
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import (
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2022-02-11 23:48:59 +00:00
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"io"
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2020-07-31 17:46:12 +00:00
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"net/http"
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2020-10-06 17:07:48 +00:00
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2021-06-28 20:17:18 +00:00
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"go.goblog.app/app/pkgs/contenttype"
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2022-08-12 10:48:16 +00:00
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"go.goblog.app/app/pkgs/htmlbuilder"
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2020-07-31 13:48:01 +00:00
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)
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2020-10-12 16:47:23 +00:00
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type renderData struct {
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BlogString string
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Canonical string
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TorAddress string
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Blog *configBlog
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2021-06-18 12:32:03 +00:00
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User *configUser
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Data any
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WebmentionReceivingEnabled bool
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TorUsed bool
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EasterEgg bool
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// Not directly accessible
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app *goBlog
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req *http.Request
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}
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func (d *renderData) LoggedIn() bool {
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return d.app.isLoggedIn(d.req)
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2020-10-12 16:47:23 +00:00
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}
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2022-08-12 10:48:16 +00:00
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func (a *goBlog) render(w http.ResponseWriter, r *http.Request, f func(*htmlbuilder.HtmlBuilder, *renderData), data *renderData) {
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2022-01-30 15:40:53 +00:00
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a.renderWithStatusCode(w, r, http.StatusOK, f, data)
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2022-01-20 17:22:10 +00:00
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}
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2022-08-12 10:48:16 +00:00
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func (a *goBlog) renderWithStatusCode(w http.ResponseWriter, r *http.Request, statusCode int, f func(*htmlbuilder.HtmlBuilder, *renderData), data *renderData) {
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// Check render data
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a.checkRenderData(r, data)
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// Set content type
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w.Header().Set(contentType, contenttype.HTMLUTF8)
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// Write status code
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w.WriteHeader(statusCode)
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// Render
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2022-02-11 23:48:59 +00:00
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pipeReader, pipeWriter := io.Pipe()
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go func() {
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f(htmlbuilder.NewHtmlBuilder(pipeWriter), data)
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_ = pipeWriter.Close()
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}()
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2022-04-10 09:46:35 +00:00
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_ = pipeReader.CloseWithError(a.min.Get().Minify(contenttype.HTML, w, pipeReader))
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2022-01-20 17:22:10 +00:00
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}
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2021-06-23 17:20:50 +00:00
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func (a *goBlog) checkRenderData(r *http.Request, data *renderData) {
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2021-07-25 08:53:12 +00:00
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if data.app == nil {
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data.app = a
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}
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if data.req == nil {
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data.req = r
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}
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// User
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if data.User == nil {
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data.User = a.cfg.User
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}
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// Blog
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if data.Blog == nil && data.BlogString == "" {
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data.BlogString, data.Blog = a.getBlog(r)
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} else if data.Blog == nil {
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data.Blog = a.cfg.Blogs[data.BlogString]
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2021-12-20 13:00:11 +00:00
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} else if data.BlogString == "" {
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for name, blog := range a.cfg.Blogs {
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if blog == data.Blog {
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data.BlogString = name
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2021-01-17 11:53:07 +00:00
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break
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}
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2020-10-12 16:47:23 +00:00
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}
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}
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// Tor
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if a.cfg.Server.Tor && a.torAddress != "" {
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2021-08-02 18:43:24 +00:00
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data.TorAddress = a.torAddress + r.RequestURI
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2021-05-09 12:42:53 +00:00
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}
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if torUsed, ok := r.Context().Value(torUsedKey).(bool); ok && torUsed {
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data.TorUsed = true
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2020-12-12 22:44:03 +00:00
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}
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2021-04-23 17:36:57 +00:00
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// Check if able to receive webmentions
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2021-06-06 12:39:42 +00:00
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data.WebmentionReceivingEnabled = a.cfg.Webmention == nil || !a.cfg.Webmention.DisableReceiving
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2021-07-23 10:59:24 +00:00
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// Easter egg
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if ee := a.cfg.EasterEgg; ee != nil && ee.Enabled {
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data.EasterEgg = true
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}
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// Data
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if data.Data == nil {
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2022-03-16 07:28:03 +00:00
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data.Data = map[string]any{}
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2020-07-31 17:46:12 +00:00
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}
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}
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