248 lines
7.3 KiB
Go
248 lines
7.3 KiB
Go
package main
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import (
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"context"
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"html/template"
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"io/ioutil"
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"net/http"
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"os"
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"sort"
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"time"
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"christine.website/cmd/site/internal/blog"
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"christine.website/cmd/site/internal/jsonfeed"
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"christine.website/cmd/site/internal/middleware"
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"github.com/gorilla/feeds"
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"github.com/povilasv/prommod"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/client_golang/prometheus/promhttp"
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blackfriday "github.com/russross/blackfriday"
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"github.com/sebest/xff"
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"github.com/snabb/sitemap"
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"within.website/ln"
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"within.website/ln/ex"
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"within.website/ln/opname"
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)
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var port = os.Getenv("PORT")
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func main() {
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if port == "" {
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port = "29384"
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}
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ctx := ln.WithF(opname.With(context.Background(), "main"), ln.F{
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"port": port,
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"git_rev": gitRev,
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})
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_ = prometheus.Register(prommod.NewCollector("christine"))
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s, err := Build()
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if err != nil {
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ln.FatalErr(ctx, err, ln.Action("Build"))
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}
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mux := http.NewServeMux()
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mux.HandleFunc("/.within/health", func(w http.ResponseWriter, r *http.Request) {
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http.Error(w, "OK", http.StatusOK)
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})
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mux.Handle("/", s)
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ln.Log(ctx, ln.Action("http_listening"))
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ln.FatalErr(ctx, http.ListenAndServe(":"+port, mux))
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}
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// Site is the parent object for https://christine.website's backend.
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type Site struct {
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Posts blog.Posts
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Talks blog.Posts
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Gallery blog.Posts
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Resume template.HTML
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Series []string
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rssFeed *feeds.Feed
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jsonFeed *jsonfeed.Feed
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mux *http.ServeMux
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xffmw *xff.XFF
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}
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var gitRev = os.Getenv("GIT_REV")
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func (s *Site) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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ctx := opname.With(r.Context(), "site.ServeHTTP")
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ctx = ln.WithF(ctx, ln.F{
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"user_agent": r.Header.Get("User-Agent"),
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})
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r = r.WithContext(ctx)
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if gitRev != "" {
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w.Header().Add("X-Git-Rev", gitRev)
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}
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w.Header().Add("X-Clacks-Overhead", "GNU Ashlynn")
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middleware.RequestID(s.xffmw.Handler(ex.HTTPLog(s.mux))).ServeHTTP(w, r)
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}
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var arbDate = time.Date(2020, time.January, 9, 0, 0, 0, 0, time.UTC)
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// Build creates a new Site instance or fails.
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func Build() (*Site, error) {
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smi := sitemap.New()
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smi.Add(&sitemap.URL{
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Loc: "https://christine.website/resume",
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LastMod: &arbDate,
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ChangeFreq: sitemap.Monthly,
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})
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smi.Add(&sitemap.URL{
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Loc: "https://christine.website/contact",
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LastMod: &arbDate,
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ChangeFreq: sitemap.Monthly,
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})
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smi.Add(&sitemap.URL{
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Loc: "https://christine.website/",
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LastMod: &arbDate,
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ChangeFreq: sitemap.Monthly,
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})
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smi.Add(&sitemap.URL{
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Loc: "https://christine.website/blog",
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LastMod: &arbDate,
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ChangeFreq: sitemap.Weekly,
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})
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xffmw, err := xff.Default()
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if err != nil {
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return nil, err
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}
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s := &Site{
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rssFeed: &feeds.Feed{
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Title: "Christine Dodrill's Blog",
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Link: &feeds.Link{Href: "https://christine.website/blog"},
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Description: "My blog posts and rants about various technology things.",
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Author: &feeds.Author{Name: "Christine Dodrill", Email: "me@christine.website"},
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Created: bootTime,
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Copyright: "This work is copyright Christine Dodrill. My viewpoints are my own and not the view of any employer past, current or future.",
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},
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jsonFeed: &jsonfeed.Feed{
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Version: jsonfeed.CurrentVersion,
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Title: "Christine Dodrill's Blog",
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HomePageURL: "https://christine.website",
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FeedURL: "https://christine.website/blog.json",
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Description: "My blog posts and rants about various technology things.",
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UserComment: "This is a JSON feed of my blogposts. For more information read: https://jsonfeed.org/version/1",
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Icon: icon,
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Favicon: icon,
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Author: jsonfeed.Author{
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Name: "Christine Dodrill",
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Avatar: icon,
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},
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},
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mux: http.NewServeMux(),
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xffmw: xffmw,
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}
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posts, err := blog.LoadPosts("./blog/", "blog")
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if err != nil {
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return nil, err
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}
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s.Posts = posts
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s.Series = posts.Series()
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sort.Strings(s.Series)
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talks, err := blog.LoadPosts("./talks", "talks")
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if err != nil {
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return nil, err
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}
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s.Talks = talks
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gallery, err := blog.LoadPosts("./gallery", "gallery")
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if err != nil {
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return nil, err
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}
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s.Gallery = gallery
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var everything blog.Posts
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everything = append(everything, posts...)
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everything = append(everything, talks...)
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everything = append(everything, gallery...)
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sort.Sort(sort.Reverse(everything))
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resumeData, err := ioutil.ReadFile("./static/resume/resume.md")
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if err != nil {
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return nil, err
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}
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s.Resume = template.HTML(blackfriday.Run(resumeData))
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for _, item := range everything {
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s.rssFeed.Items = append(s.rssFeed.Items, &feeds.Item{
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Title: item.Title,
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Link: &feeds.Link{Href: "https://christine.website/" + item.Link},
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Description: item.Summary,
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Created: item.Date,
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Content: string(item.BodyHTML),
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})
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s.jsonFeed.Items = append(s.jsonFeed.Items, jsonfeed.Item{
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ID: "https://christine.website/" + item.Link,
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URL: "https://christine.website/" + item.Link,
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Title: item.Title,
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DatePublished: item.Date,
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ContentHTML: string(item.BodyHTML),
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})
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smi.Add(&sitemap.URL{
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Loc: "https://christine.website/" + item.Link,
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LastMod: &item.Date,
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ChangeFreq: sitemap.Monthly,
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})
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}
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// Add HTTP routes here
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s.mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
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if r.URL.Path != "/" {
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w.WriteHeader(http.StatusNotFound)
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s.renderTemplatePage("error.html", "can't find "+r.URL.Path).ServeHTTP(w, r)
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return
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}
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s.renderTemplatePage("index.html", nil).ServeHTTP(w, r)
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})
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s.mux.Handle("/metrics", promhttp.Handler())
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s.mux.Handle("/resume", middleware.Metrics("resume", s.renderTemplatePage("resume.html", s.Resume)))
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s.mux.Handle("/blog", middleware.Metrics("blog", s.renderTemplatePage("blogindex.html", s.Posts)))
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s.mux.Handle("/talks", middleware.Metrics("talks", s.renderTemplatePage("talkindex.html", s.Talks)))
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s.mux.Handle("/gallery", middleware.Metrics("gallery", s.renderTemplatePage("galleryindex.html", s.Gallery)))
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s.mux.Handle("/contact", middleware.Metrics("contact", s.renderTemplatePage("contact.html", nil)))
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s.mux.Handle("/blog.rss", middleware.Metrics("blog.rss", http.HandlerFunc(s.createFeed)))
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s.mux.Handle("/blog.atom", middleware.Metrics("blog.atom", http.HandlerFunc(s.createAtom)))
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s.mux.Handle("/blog.json", middleware.Metrics("blog.json", http.HandlerFunc(s.createJSONFeed)))
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s.mux.Handle("/blog/", middleware.Metrics("blogpost", http.HandlerFunc(s.showPost)))
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s.mux.Handle("/blog/series", http.HandlerFunc(s.listSeries))
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s.mux.Handle("/blog/series/", http.HandlerFunc(s.showSeries))
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s.mux.Handle("/talks/", middleware.Metrics("talks", http.HandlerFunc(s.showTalk)))
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s.mux.Handle("/gallery/", middleware.Metrics("gallery", http.HandlerFunc(s.showGallery)))
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s.mux.Handle("/css/", http.FileServer(http.Dir(".")))
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s.mux.Handle("/static/", http.FileServer(http.Dir(".")))
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s.mux.HandleFunc("/sw.js", func(w http.ResponseWriter, r *http.Request) {
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http.ServeFile(w, r, "./static/js/sw.js")
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})
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s.mux.HandleFunc("/robots.txt", func(w http.ResponseWriter, r *http.Request) {
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http.ServeFile(w, r, "./static/robots.txt")
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})
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s.mux.Handle("/sitemap.xml", middleware.Metrics("sitemap", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/xml")
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_, _ = smi.WriteTo(w)
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})))
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s.mux.HandleFunc("/api/pageview-timer", handlePageViewTimer)
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return s, nil
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}
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const icon = "https://christine.website/static/img/avatar.png"
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