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