| 1 | package server |
| 2 | |
| 3 | import ( |
| 4 | "html/template" |
| 5 | "log" |
| 6 | "net/http" |
| 7 | ) |
| 8 | |
| 9 | var landingTmpl = template.Must(template.New("landing").Parse(`<!DOCTYPE html> |
| 10 | <html lang="en"> |
| 11 | <head> |
| 12 | <meta charset="utf-8"> |
| 13 | <meta name="viewport" content="width=device-width, initial-scale=1"> |
| 14 | <title>{{.Host}} — Go Module Server</title> |
| 15 | <style> |
| 16 | :root{--bg:#fff;--bg2:#f8f9fa;--text:#202124;--text2:#5f6368;--border:#dadce0;--accent:#1a73e8;--green:#188038;--red:#d93025;--max:900px} |
| 17 | @media(prefers-color-scheme:dark){:root{--bg:#1e1e1e;--bg2:#252526;--text:#d4d4d4;--text2:#a0a0a0;--border:#404040;--accent:#6cb6ff;--green:#81c995;--red:#f28b82}} |
| 18 | *{box-sizing:border-box;margin:0;padding:0} |
| 19 | body{font-family:system-ui,sans-serif;font-size:15px;line-height:1.6;color:var(--text);background:var(--bg)} |
| 20 | a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline} |
| 21 | .topbar{background:var(--bg2);border-bottom:1px solid var(--border);padding:10px 0} |
| 22 | .topbar-inner{max-width:var(--max);margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between} |
| 23 | .topbar-left{font-weight:600;font-size:18px;color:var(--text);text-decoration:none} |
| 24 | .topbar-left:hover{text-decoration:none;opacity:0.8} |
| 25 | .topbar-right{display:flex;align-items:center;gap:8px;font-size:13px} |
| 26 | .topbar-right form{display:inline} |
| 27 | .topbar-btn{display:inline-block;padding:5px 14px;border:1px solid var(--border);border-radius:4px;font-size:13px;font-weight:500;color:var(--text);text-decoration:none;cursor:pointer;background:var(--bg)} |
| 28 | .topbar-btn:hover{background:var(--border);text-decoration:none} |
| 29 | .topbar-btn-muted{color:var(--text2)} |
| 30 | .container{max-width:var(--max);margin:0 auto;padding:24px} |
| 31 | .subtitle{color:var(--text2);font-size:16px;margin-bottom:32px} |
| 32 | h2{font-size:20px;margin:32px 0 12px} |
| 33 | pre{background:var(--bg2);border:1px solid var(--border);border-radius:6px;padding:16px;font-family:monospace;font-size:13px;overflow-x:auto;margin-bottom:16px;line-height:1.5} |
| 34 | code{font-family:monospace;font-size:13px;background:var(--bg2);padding:2px 6px;border-radius:3px} |
| 35 | table{width:100%;border-collapse:collapse;margin-bottom:24px} |
| 36 | th{text-align:left;padding:8px 12px;border-bottom:2px solid var(--border);font-size:13px;color:var(--text2);text-transform:uppercase;letter-spacing:0.5px} |
| 37 | td{padding:8px 12px;border-bottom:1px solid var(--border);font-size:14px} |
| 38 | td:first-child{font-family:monospace;font-size:13px} |
| 39 | .note{background:var(--bg2);border:1px solid var(--border);border-radius:6px;padding:12px 16px;font-size:14px;color:var(--text2);margin-top:16px} |
| 40 | .badge-private{font-size:11px;color:var(--text2);border:1px solid var(--border);border-radius:3px;padding:1px 5px} |
| 41 | footer{text-align:center;padding:32px 0 16px;font-size:12px;color:var(--text2)} |
| 42 | </style> |
| 43 | </head> |
| 44 | <body> |
| 45 | <div class="topbar"> |
| 46 | <div class="topbar-inner"> |
| 47 | <a href="/" class="topbar-left">{{.Host}}</a> |
| 48 | <div class="topbar-right"> |
| 49 | {{if .HasAuth}} |
| 50 | {{if .Authenticated}} |
| 51 | <a href="/-/admin/" class="topbar-btn">Admin</a> |
| 52 | <form method="POST" action="/-/logout"><button type="submit" class="topbar-btn topbar-btn-muted">Logout</button></form> |
| 53 | {{else}} |
| 54 | <a href="/-/admin/login?return={{.CurrentPath}}" class="topbar-btn">Login</a> |
| 55 | {{end}} |
| 56 | {{end}} |
| 57 | </div> |
| 58 | </div> |
| 59 | </div> |
| 60 | <div class="container"> |
| 61 |
|
| 62 | <h2>Setup</h2> |
| 63 | <p>Configure your Go toolchain to use this proxy:</p> |
| 64 | <pre>export GOPROXY=https://{{.Host}},direct{{if not .SumdbEnabled}} |
| 65 | export GONOSUMDB={{.Host}}{{end}}</pre> |
| 66 |
|
| 67 | {{if .SumdbEnabled}} |
| 68 | <p>This server provides a <a href="/sumdb/{{.Host}}/latest">transparency log</a> (sumdb) for module checksums.</p> |
| 69 | {{end}} |
| 70 |
|
| 71 | <p>Then import modules as usual:</p> |
| 72 | <pre>import "{{.Host}}/<module-name>"</pre> |
| 73 |
|
| 74 | {{if .Modules}} |
| 75 | <h2>Modules</h2> |
| 76 | <table> |
| 77 | <thead> |
| 78 | <tr><th>Module</th><th>Repository</th></tr> |
| 79 | </thead> |
| 80 | <tbody> |
| 81 | {{range .Modules}} |
| 82 | <tr> |
| 83 | <td><a href="/{{.Name}}">{{$.Host}}/{{.Name}}</a>{{if .Private}} <span class="badge-private">private</span>{{end}}</td> |
| 84 | <td>{{if .Web}}<a href="{{.Web}}">{{.Web}}</a>{{else}}{{.Repo}}{{end}}</td> |
| 85 | </tr> |
| 86 | {{end}} |
| 87 | </tbody> |
| 88 | </table> |
| 89 | {{end}} |
| 90 |
|
| 91 | {{if .Patterns}} |
| 92 | <h2>Module Patterns</h2> |
| 93 | <p style="margin-bottom:12px;color:var(--text2);font-size:14px">Modules matching these patterns are served automatically.</p> |
| 94 | <table> |
| 95 | <thead> |
| 96 | <tr><th>Pattern</th><th>Repository Template</th></tr> |
| 97 | </thead> |
| 98 | <tbody> |
| 99 | {{range .Patterns}} |
| 100 | <tr> |
| 101 | <td><code>{{.Pattern}}</code></td> |
| 102 | <td>{{.Repo}}</td> |
| 103 | </tr> |
| 104 | {{end}} |
| 105 | </tbody> |
| 106 | </table> |
| 107 | {{end}} |
| 108 |
|
| 109 | {{if .HasAuth}} |
| 110 | <div class="note">Some modules are private and require authentication. Use a <code>Bearer</code> token or HTTP basic auth to access them.</div> |
| 111 | {{end}} |
| 112 | </div> |
| 113 | <footer>Powered by Curator</footer> |
| 114 | </body> |
| 115 | </html> |
| 116 | `)) |
| 117 | |
| 118 | func (s *Server) serveLanding(w http.ResponseWriter, r *http.Request) { |
| 119 | authed := s.isAuthenticated(r) |
| 120 | data := map[string]any{ |
| 121 | "Host": s.Cfg.Host, |
| 122 | "SumdbEnabled": s.Cfg.Sumdb != nil && s.Cfg.Sumdb.Enabled, |
| 123 | "HasAuth": len(s.AuthTokens) > 0 || s.Cfg.AdminToken != "" || s.OIDCProvider != nil, |
| 124 | "Authenticated": authed, |
| 125 | "CurrentPath": r.URL.Path, |
| 126 | } |
| 127 | |
| 128 | if s.ModuleLister != nil { |
| 129 | modules, _ := s.ModuleLister.ListModules() |
| 130 | patterns, _ := s.ModuleLister.ListPatterns() |
| 131 | authed := s.isAuthenticated(r) |
| 132 | |
| 133 | // Show public modules to everyone, private only to authenticated users. |
| 134 | var visibleModules []map[string]string |
| 135 | for _, m := range modules { |
| 136 | if !m.Private || authed { |
| 137 | entry := map[string]string{ |
| 138 | "Name": m.Name, |
| 139 | "Repo": m.Repo, |
| 140 | "Web": m.Web, |
| 141 | } |
| 142 | if m.Private { |
| 143 | entry["Private"] = "true" |
| 144 | } |
| 145 | visibleModules = append(visibleModules, entry) |
| 146 | } |
| 147 | } |
| 148 | data["Modules"] = visibleModules |
| 149 | |
| 150 | var visiblePatterns []map[string]string |
| 151 | for _, p := range patterns { |
| 152 | if !p.Private || authed { |
| 153 | entry := map[string]string{ |
| 154 | "Pattern": p.Pattern, |
| 155 | "Repo": p.Repo, |
| 156 | } |
| 157 | if p.Private { |
| 158 | entry["Private"] = "true" |
| 159 | } |
| 160 | visiblePatterns = append(visiblePatterns, entry) |
| 161 | } |
| 162 | } |
| 163 | data["Patterns"] = visiblePatterns |
| 164 | } |
| 165 | |
| 166 | w.Header().Set("Content-Type", "text/html; charset=utf-8") |
| 167 | if err := landingTmpl.Execute(w, data); err != nil { |
| 168 | log.Printf("server: render landing: %v", err) |
| 169 | } |
| 170 | } |
| 171 | |
| 172 | // ServeLogout handles POST /-/logout. |
| 173 | func (s *Server) ServeLogout(w http.ResponseWriter, r *http.Request) { |
| 174 | http.SetCookie(w, &http.Cookie{ |
| 175 | Name: "curator_auth", |
| 176 | Path: "/", |
| 177 | MaxAge: -1, |
| 178 | }) |
| 179 | http.SetCookie(w, &http.Cookie{ |
| 180 | Name: "curator_admin", |
| 181 | Path: "/-/", |
| 182 | MaxAge: -1, |
| 183 | }) |
| 184 | http.SetCookie(w, &http.Cookie{ |
| 185 | Name: "curator_session", |
| 186 | Path: "/-/", |
| 187 | MaxAge: -1, |
| 188 | }) |
| 189 | referer := r.Header.Get("Referer") |
| 190 | if referer == "" { |
| 191 | referer = "/" |
| 192 | } |
| 193 | http.Redirect(w, r, referer, http.StatusSeeOther) |
| 194 | } |
| 195 | |