index.php

   1 <?php
   2 error_reporting(E_ALL);
   3
   4 require_once('inc/config.php');
   5
   6 function get_project_info($name)
   7 {
   8         global $conf;
   9
  10         $info = $conf['projects'][$name];
  11         $info['name'] = $name;
  12         $info['description'] = file_get_contents($info['repo'] .'/description');
  13
  14         return $info;
  15 }
  16
  17 /**
  18  * Get details of a commit: tree, parent, author/committer (name, mail, date), message
  19  */
  20 function git_get_commit_info($project, $hash)
  21 {
  22         $info = array();
  23         $info['h'] = $hash;
  24         $info['message_full'] = '';
  25
  26         $output = run_git($project, "git rev-list --header --max-count=1 $hash");
  27         // tree <h>
  28         // parent <h>
  29         // author <name> "<"<mail>">" <stamp> <timezone>
  30         // committer
  31         // <empty>
  32         //     <message>
  33         $pattern = '/^(author|committer) ([^<]+) <([^>]*)> ([0-9]+) (.*)$/';
  34         foreach ($output as $line) {
  35                 if (substr($line, 0, 4) === 'tree') {
  36                         $info['tree'] = substr($line, 5);
  37                 }
  38                 elseif (substr($line, 0, 6) === 'parent') {
  39                         $info['parent']  = substr($line, 7);
  40                 }
  41                 elseif (preg_match($pattern, $line, $matches) > 0) {
  42                         $info[$matches[1] .'_name'] = $matches[2];
  43                         $info[$matches[1] .'_mail'] = $matches[3];
  44                         $info[$matches[1] .'_stamp'] = $matches[4];
  45                         $info[$matches[1] .'_timezone'] = $matches[5];
  46                 }
  47                 elseif (substr($line, 0, 4) === '    ') {
  48                         $info['message_full'] .= substr($line, 4) ."\n";
  49                         if (!isset($info['message'])) {
  50                                 $info['message'] = substr($line, 4, 40);
  51                         }
  52                 }
  53         }
  54
  55         return $info;
  56 }
  57
  58 function git_get_heads($project)
  59 {
  60         $heads = array();
  61
  62         $output = run_git($project, 'git show-ref --heads');
  63         foreach ($output as $line) {
  64                 $fullname = substr($line, 41);
  65                 $name = array_pop(explode('/', $fullname));
  66                 $heads[] = array('h' => substr($line, 0, 40), 'fullname' => "$fullname", 'name' => "$name");
  67         }
  68
  69         return $heads;
  70 }
  71
  72 function git_get_rev_list($project, $max_count = null)
  73 {
  74         $cmd = 'git rev-list HEAD';
  75         if (!is_null($max_count)) {
  76                 $cmd = "git rev-list --max-count=$max_count HEAD";
  77         }
  78
  79         return run_git($project, $cmd);
  80 }
  81
  82 function git_ls_tree($project, $tree)
  83 {
  84         $entries = array();
  85         $output = run_git($project, "git ls-tree $tree");
  86         // 100644 blob 493b7fc4296d64af45dac64bceac2d9a96c958c1    .gitignore
  87         // 040000 tree 715c78b1011dc58106da2a1af2fe0aa4c829542f    doc
  88         foreach ($output as $line) {
  89                 $parts = preg_split('/\s+/', $line, 4);
  90                 $entries[] = array('name' => $parts[3], 'mode' => $parts[0], 'type' => $parts[1], 'hash' => $parts[2]);
  91         }
  92
  93         return $entries;
  94 }
  95
  96 function makelink($dict)
  97 {
  98         $params = array();
  99         foreach ($dict as $k => $v) {
 100                 $params[] = rawurlencode($k) .'='. str_replace('%2F', '/', rawurlencode($v));
 101         }
 102         if (count($params) > 0) {
 103                 return '?'. htmlentities(join('&', $params));
 104         }
 105         return '';
 106 }
 107
 108 /**
 109  * Executes a git command in the project repo.
 110  * @return array of output lines
 111  */
 112 function run_git($project, $command)
 113 {
 114         global $conf;
 115
 116         $output = array();
 117         $cmd = "GIT_DIR=". $conf['projects'][$project]['repo'] ." $command";
 118         exec($cmd, &$output);
 119         return $output;
 120 }
 121
 122 $action = 'index';
 123 $template = '';
 124 $page['title'] = 'ViewGit';
 125
 126 if (isset($_REQUEST['a'])) {
 127         $action = strtolower($_REQUEST['a']);
 128 }
 129
 130 if ($action === 'index') {
 131         $template = 'index';
 132
 133         foreach (array_keys($conf['projects']) as $p) {
 134                 $page['projects'][] = get_project_info($p);
 135         }
 136 }
 137 elseif ($action === 'archive') {
 138         $project = $_REQUEST['p']; // TODO validate
 139         $tree = $_REQUEST['h']; // TODO validate
 140         $type = $_REQUEST['t'];
 141
 142         // TODO check that the data passed is really valid
 143         if ($type === 'targz') {
 144                 header("Content-Type: application/x-tar-gz");
 145                 header("Content-Transfer-Encoding: binary");
 146                 header("Content-Disposition: attachment; filename=\"$project-tree-$tree.tar.gz\";");
 147                 $data = join("\n", run_git($project, "git archive --format=tar $tree |gzip"));
 148                 header("Content-Length: ". strlen($data));
 149                 echo $data;
 150         }
 151         elseif ($type === 'zip') {
 152                 header("Content-Type: application/x-zip");
 153                 header("Content-Transfer-Encoding: binary");
 154                 header("Content-Disposition: attachment; filename=\"$project-tree-$tree.zip\";");
 155                 $data = join("\n", run_git($project, "git archive --format=zip $tree"));
 156                 header("Content-Length: ". strlen($data));
 157                 echo $data;
 158         }
 159         else {
 160                 die('Invalid archive type requested');
 161         }
 162
 163         die();
 164 }
 165 elseif ($action === 'commit') {
 166         $template = 'commit';
 167         $page['project'] = strtolower($_REQUEST['p']); // TODO validate
 168         $page['commit_id'] = strtolower($_REQUEST['h']); // TODO validate
 169
 170         $info = git_get_commit_info($page['project'], $page['commit_id']);
 171
 172         $page['author_name'] = $info['author_name'];
 173         $page['author_mail'] = $info['author_mail'];
 174         $page['author_datetime'] = strftime($conf['datetime'], $info['author_stamp']);
 175         $page['committer_name'] = $info['committer_name'];
 176         $page['committer_mail'] = $info['committer_mail'];
 177         $page['committer_datetime'] = strftime($conf['datetime'], $info['committer_stamp']);
 178         $page['tree'] = $info['tree'];
 179         $page['parent'] = $info['parent'];
 180         $page['message'] = $info['message'];
 181         $page['message_full'] = $info['message_full'];
 182
 183 }
 184 elseif ($action === 'summary') {
 185         $template = 'summary';
 186         $page['project'] = strtolower($_REQUEST['p']);
 187         // TODO: validate project
 188
 189         $revs = git_get_rev_list($page['project'], $conf['summary_shortlog']);
 190         foreach ($revs as $rev) {
 191                 $info = git_get_commit_info($page['project'], $rev);
 192                 $page['shortlog'][] = array(
 193                         'author' => $info['author_name'],
 194                         'date' => strftime($conf['datetime'], $info['author_stamp']),
 195                         'message' => $info['message'],
 196                         'commit_id' => $rev,
 197                 );
 198         }
 199
 200         $heads = git_get_heads($page['project']);
 201         $page['heads'] = array();
 202         foreach ($heads as $h) {
 203                 $info = git_get_commit_info($page['project'], $h['h']);
 204                 $page['heads'][] = array(
 205                         'date' => strftime($conf['datetime'], $info['author_stamp']),
 206                         'h' => $h['h'],
 207                         'fullname' => $h['fullname'],
 208                         'name' => $h['name'],
 209                 );
 210         }
 211 }
 212 elseif ($action === 'tree') {
 213         $template = 'tree';
 214         $page['project'] = strtolower($_REQUEST['p']); // TODO validate
 215         $page['tree'] = $_REQUEST['h']; // TODO validate
 216
 217         $page['entries'] = git_ls_tree($page['project'], $page['tree']);
 218 }
 219 else {
 220         die('Invalid action');
 221 }
 222
 223 require 'templates/header.php';
 224 require "templates/$template.php";
 225 require 'templates/footer.php';