1 | -- resty-gitweb@app.lua |
2 | -- Entry point for git HTTP site implementation |
3 |
|
4 | -- Copyright (c) 2020 Joshua 'joshuas3' Stockin |
5 | -- <https://git.joshstock.in/resty-gitweb> |
6 | -- This software is licensed under the MIT License. |
7 |
|
8 | local puremagic = require("puremagic") |
9 |
|
10 | local utils = require("utils/utils") |
11 | local git = require("git/git") |
12 | local parse_uri = require("utils/parse_uri") |
13 |
|
14 | local parsed_uri = parse_uri() |
15 | local view |
16 | local content |
17 |
|
18 | -- TODO: Rewrite app script completely |
19 |
|
20 | if parsed_uri.repo == nil then |
21 | content = require("pages/index")(CONFIG) |
22 | else -- repo found |
23 | local repo |
24 | for _,r in pairs(CONFIG) do |
25 | if parsed_uri.repo == r.name then |
26 | repo = r |
27 | break |
28 | end |
29 | end |
30 | if repo then |
31 | repo.loc = PRODUCTION and repo.location.prod or repo.location.dev |
32 | local repo.obj = git.repo.open(repo.loc) |
33 | view = parsed_uri.parts[2] or "tree" |
34 | local branch |
35 |
|
36 | local res, status = pcall(function() -- if branch is real |
37 | branch = git.find_rev(repo.obj, parsed_uri.parts[3]) -- if parts[3] is nil, defaults to "HEAD" |
38 | end) |
39 | if res then |
40 | local res, status = pcall(function() -- effectively catch any errors, 404 if any |
41 | if view == "tree" then -- directory display (with automatic README rendering) |
42 | local path = parsed_uri.parts |
43 | table.remove(path, 3) -- branch |
44 | table.remove(path, 2) -- "tree" |
45 | table.remove(path, 1) -- repo |
46 | if #path > 0 then |
47 | path = table.concat(path, "/").."/" |
48 | else |
49 | path = "" |
50 | end |
51 |
|
52 | content = require("pages/tree")(repo, repo.loc, branch, path) |
53 | elseif view == "blob" then |
54 | local path = parsed_uri.parts |
55 | table.remove(path, 3) -- branch |
56 | table.remove(path, 2) -- "tree" |
57 | table.remove(path, 1) -- repo |
58 | if #path > 0 then |
59 | path = table.concat(path, "/") |
60 | else |
61 | path = "" |
62 | end |
63 |
|
64 | content = require("pages/blob")(repo, repo.loc, branch, path) |
65 | elseif view == "raw" then |
66 | local path = parsed_uri.parts |
67 | table.remove(path, 3) -- branch |
68 | table.remove(path, 2) -- "tree" |
69 | table.remove(path, 1) -- repo |
70 | if #path > 0 then |
71 | path = table.concat(path, "/") |
72 | else |
73 | path = "" |
74 | end |
75 |
|
76 | content, is_binary = require("pages/raw")(repo, repo.loc, branch, path) |
77 | if content then |
78 | if is_binary then |
79 | mimetype = puremagic.via_content(content.body, path) |
80 | content.type = mimetype |
81 | else |
82 | content.type = "text/plain" |
83 | end |
84 | end |
85 |
|
86 | elseif view == "log" then |
87 | content = require("pages/log")(repo, repo.loc, branch, ngx.var.arg_n, ngx.var.arg_skip) |
88 | elseif view == "refs" then |
89 | content = require("pages/refs")(repo, repo.loc, branch) |
90 | elseif view == "download" then |
91 | content = require("pages/download")(repo, repo.loc, branch) |
92 | elseif view == "commit" then |
93 | content = require("pages/commit")(repo, repo.loc, parsed_uri.parts[3]) |
94 | else |
95 | error("bad view "..view) |
96 | end |
97 | end) -- pcall |
98 |
|
99 | if res ~= true then |
100 | if not PRODUCTION then |
101 | ngx.say(res) |
102 | ngx.say(status) |
103 | end |
104 | ngx.exit(ngx.HTTP_NOT_FOUND) |
105 | return |
106 | end |
107 | elseif not PRODUCTION then -- branch doesn't exist, show an error in non-prod environments |
108 | ngx.say(res) |
109 | ngx.say(status) |
110 | ngx.exit(ngx.HTTP_NOT_FOUND) |
111 | end |
112 | git.repo.free(repo.obj) |
113 | end |
114 | end |
115 |
|
116 | if content ~= nil then -- TODO: HTML templates from files, static serving |
117 | if view ~= "raw" then |
118 | ngx.header.content_type = "text/html" |
119 | ngx.say([[<!DOCTYPE html><html lang="en"><head>]]) |
120 | ngx.say([[<link rel="stylesheet" href="https://raw.githubusercontent.com/necolas/normalize.css/master/normalize.css">]]) |
121 |
|
122 | ngx.say( |
123 | [[<style> |
124 | @import url('https://fonts.googleapis.com/css?family=Fira+Sans:400,400i,700,700i&display=swap'); |
125 | *{ |
126 | box-sizing:border-box; |
127 | } |
128 | body{ |
129 | color: #212121; |
130 | font-family:'Fira Sans', sans-serif; |
131 | padding-bottom:200px; |
132 | line-height:1.4; |
133 | max-width:1000px; |
134 | margin:20px auto; |
135 | } |
136 | body>h2{ |
137 | margin-top:5px; |
138 | margin-bottom:0; |
139 | } |
140 | h3{ |
141 | margin-bottom:4px; |
142 | } |
143 | td,th{ |
144 | padding:2px 5px; |
145 | border:1px solid #858585; |
146 | text-align:left; |
147 | vertical-align:top; |
148 | } |
149 | th{ |
150 | border:1px solid #000; |
151 | } |
152 | table.files,table.log,table.blob{ |
153 | width:100%; |
154 | max-width:100%; |
155 | } |
156 | table{ |
157 | border-collapse:collapse; |
158 | overflow:auto; |
159 | font-family: monospace; |
160 | font-size:14px; |
161 | line-height:1.2; |
162 | } |
163 | table.files td:first-child{ |
164 | padding-right:calc(5px + 1em); |
165 | } |
166 | table.files td:not(:nth-child(2)), table.log td:not(:nth-child(4)){ |
167 | width:1%; |
168 | white-space:nowrap; |
169 | } |
170 | span.q{ |
171 | text-decoration:underline; |
172 | text-decoration-style:dotted; |
173 | } |
174 | .q:hover{ |
175 | cursor:help; |
176 | } |
177 | th, tr:hover{ /*darker color for table head, hovered-over rows*/ |
178 | background-color:#dedede; |
179 | } |
180 | div.markdown{ |
181 | width:100%; |
182 | padding:20px 50px; |
183 | border:1px solid #858585; |
184 | border-radius:6px; |
185 | } |
186 | img{ |
187 | max-width:100%; |
188 | } |
189 | pre{ |
190 | background-color:#eee; |
191 | padding:15px; |
192 | overflow-x:auto; |
193 | border-radius:8px; |
194 | } |
195 | :not(pre)>code{ |
196 | background-color:#eee; |
197 | padding:2.5px; |
198 | border-radius:4px; |
199 | } |
200 | |
201 | div.blob.table { |
202 | overflow-x: auto; |
203 | border:1px solid #858585; |
204 | border-top: none; |
205 | } |
206 | div.blob.header { |
207 | font-family: monospace; |
208 | font-size:14px; |
209 | font-weight: bold; |
210 | border:1px solid #000; |
211 | background-color:#dedede; |
212 | } |
213 | div.blob.header span{ |
214 | margin:0 4px; |
215 | } |
216 | table.blob { |
217 | font-size:1em; |
218 | width:100%; |
219 | max-width:100%; |
220 | line-height:1; |
221 | } |
222 | table.blob tr:hover { |
223 | background-color: inherit; |
224 | } |
225 | table.blob td{ |
226 | border:none; |
227 | padding:1px 5px; |
228 | } |
229 | table.blob.binary td{ |
230 | text-align:center; |
231 | padding: 0; |
232 | } |
233 | table.blob.binary td>img, table.blob.binary td>video{ |
234 | max-width:100%; |
235 | max-height:600px; |
236 | } |
237 | table.blob.lines td:first-child{ |
238 | text-align: right; |
239 | padding-left:20px; |
240 | user-select: none; |
241 | color:#858585; |
242 | max-width:1%; |
243 | white-space:nowrap; |
244 | } |
245 | table.blob.lines td:first-child:hover{ |
246 | color: #454545; |
247 | } |
248 | table.blob.lines td:nth-child(2){ |
249 | width:100%; |
250 | white-space:pre; |
251 | } |
252 | |
253 | a{ |
254 | text-decoration:none; |
255 | color: #0077aa; |
256 | display: inline-block; |
257 | } |
258 | a:hover{ |
259 | text-decoration:underline; |
260 | } |
261 | center.index-banner h1.title { |
262 | margin-top:40px; |
263 | margin-bottom:0; |
264 | } |
265 | center.index-banner p.description { |
266 | margin-top:8px; |
267 | margin-bottom:30px; |
268 | } |
269 | div.repo-section .name { |
270 | margin-bottom:0; |
271 | } |
272 | div.repo-section h3 { |
273 | margin-top:10px; |
274 | } |
275 | div.repo-section .description { |
276 | margin-top:8px; |
277 | } |
278 | div.repo-section .nav { |
279 | margin-top:10px; |
280 | } |
281 | hr { |
282 | margin: 20px 0; |
283 | } |
284 | </style>]]) |
285 | ngx.say("</head><body>") |
286 |
|
287 | if parsed_uri.repo then |
288 | local arrow_left_circle = [[<img style="width:1.2em;height:1.2em;vertical-align:middle;margin-right:0.2em" src="https://joshuas3.s3.amazonaws.com/svg/arrow-left.svg"/>]] |
289 | ngx.say("<a style=\"margin-left:-1.35em\" href=\"/\">"..arrow_left_circle.."<span style=\"vertical-align:middle\">Index</span></a>") |
290 | end |
291 | ngx.print(content:build()) |
292 | ngx.say("</body></html>") |
293 | else |
294 | ngx.header.content_type = content.type |
295 | ngx.print(content:build()) |
296 | end |
297 | ngx.exit(ngx.HTTP_OK) |
298 | return |
299 | else |
300 | ngx.exit(ngx.HTTP_NOT_FOUND) -- default behavior |
301 | return |
302 | end |
303 |
|