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                         $info[$matches[1] .'_utcstamp'] = $matches[4] - ((intval($matches[5]) / 100.0) * 3600);
  47                 }
  48                 elseif (substr($line, 0, 4) === '    ') {
  49                         $info['message_full'] .= substr($line, 4) ."\n";
  50                         if (!isset($info['message'])) {
  51                                 $info['message'] = substr($line, 4, 40);
  52                         }
  53                 }
  54         }
  55
  56         return $info;
  57 }
  58
  59 function git_get_heads($project)
  60 {
  61         $heads = array();
  62
  63         $output = run_git($project, 'git show-ref --heads');
  64         foreach ($output as $line) {
  65                 $fullname = substr($line, 41);
  66                 $name = array_pop(explode('/', $fullname));
  67                 $heads[] = array('h' => substr($line, 0, 40), 'fullname' => "$fullname", 'name' => "$name");
  68         }
  69
  70         return $heads;
  71 }
  72
  73 function git_get_rev_list($project, $max_count = null)
  74 {
  75         $cmd = 'git rev-list HEAD';
  76         if (!is_null($max_count)) {
  77                 $cmd = "git rev-list --max-count=$max_count HEAD";
  78         }
  79
  80         return run_git($project, $cmd);
  81 }
  82
  83 function git_ls_tree($project, $tree)
  84 {
  85         $entries = array();
  86         $output = run_git($project, "git ls-tree $tree");
  87         // 100644 blob 493b7fc4296d64af45dac64bceac2d9a96c958c1    .gitignore
  88         // 040000 tree 715c78b1011dc58106da2a1af2fe0aa4c829542f    doc
  89         foreach ($output as $line) {
  90                 $parts = preg_split('/\s+/', $line, 4);
  91                 $entries[] = array('name' => $parts[3], 'mode' => $parts[0], 'type' => $parts[1], 'hash' => $parts[2]);
  92         }
  93
  94         return $entries;
  95 }
  96
  97 function makelink($dict)
  98 {
  99         $params = array();
 100         foreach ($dict as $k => $v) {
 101                 $params[] = rawurlencode($k) .'='. str_replace('%2F', '/', rawurlencode($v));
 102         }
 103         if (count($params) > 0) {
 104                 return '?'. htmlentities(join('&', $params));
 105         }
 106         return '';
 107 }
 108
 109 /**
 110  * Executes a git command in the project repo.
 111  * @return array of output lines
 112  */
 113 function run_git($project, $command)
 114 {
 115         global $conf;
 116
 117         $output = array();
 118         $cmd = "GIT_DIR=". $conf['projects'][$project]['repo'] ." $command";
 119         exec($cmd, &$output);
 120         return $output;
 121 }
 122
 123 /**
 124  * Makes sure the given project is valid. If it's not, this function will
 125  * die().
 126  * @return the project
 127  */
 128 function validate_project($project)
 129 {
 130         global $conf;
 131
 132         if (!in_array($project, array_keys($conf['projects']))) {
 133                 die('Invalid project');
 134         }
 135         return $project;
 136 }
 137
 138 /**
 139  * Makes sure the given hash is valid. If it's not, this function will die().
 140  * @return the hash
 141  */
 142 function validate_hash($hash)
 143 {
 144         if (strlen($hash) != 40 || !preg_match('/^[0-9a-z]*$/', $hash)) {
 145                 die('Invalid hash');
 146
 147         }
 148         return $hash;
 149 }
 150
 151 $action = 'index';
 152 $template = '';
 153 $page['title'] = 'ViewGit';
 154
 155 if (isset($_REQUEST['a'])) {
 156         $action = strtolower($_REQUEST['a']);
 157 }
 158 $page['action'] = $action;
 159
 160 if ($action === 'index') {
 161         $template = 'index';
 162         $page['title'] = 'List of projects - ViewGit';
 163
 164         foreach (array_keys($conf['projects']) as $p) {
 165                 $page['projects'][] = get_project_info($p);
 166         }
 167 }
 168 elseif ($action === 'archive') {
 169         $project = validate_project($_REQUEST['p']);
 170         $tree = validate_hash($_REQUEST['h']);
 171         $type = $_REQUEST['t'];
 172
 173         // TODO check that the data passed is really valid
 174         if ($type === 'targz') {
 175                 header("Content-Type: application/x-tar-gz");
 176                 header("Content-Transfer-Encoding: binary");
 177                 header("Content-Disposition: attachment; filename=\"$project-tree-$tree.tar.gz\";");
 178                 $data = join("\n", run_git($project, "git archive --format=tar $tree |gzip"));
 179                 header("Content-Length: ". strlen($data));
 180                 echo $data;
 181         }
 182         elseif ($type === 'zip') {
 183                 header("Content-Type: application/x-zip");
 184                 header("Content-Transfer-Encoding: binary");
 185                 header("Content-Disposition: attachment; filename=\"$project-tree-$tree.zip\";");
 186                 $data = join("\n", run_git($project, "git archive --format=zip $tree"));
 187                 header("Content-Length: ". strlen($data));
 188                 echo $data;
 189         }
 190         else {
 191                 die('Invalid archive type requested');
 192         }
 193
 194         die();
 195 }
 196 elseif ($action === 'commit') {
 197         $template = 'commit';
 198         $page['project'] = validate_project($_REQUEST['p']);
 199         $page['commit_id'] = validate_hash($_REQUEST['h']);
 200
 201         $info = git_get_commit_info($page['project'], $page['commit_id']);
 202
 203         $page['author_name'] = $info['author_name'];
 204         $page['author_mail'] = $info['author_mail'];
 205         $page['author_datetime'] = strftime($conf['datetime'], $info['author_utcstamp']);
 206         $page['committer_name'] = $info['committer_name'];
 207         $page['committer_mail'] = $info['committer_mail'];
 208         $page['committer_datetime'] = strftime($conf['datetime'], $info['committer_utcstamp']);
 209         $page['tree'] = $info['tree'];
 210         $page['parent'] = $info['parent'];
 211         $page['message'] = $info['message'];
 212         $page['message_full'] = $info['message_full'];
 213
 214 }
 215 elseif ($action === 'summary') {
 216         $template = 'summary';
 217         $page['project'] = validate_project($_REQUEST['p']);
 218         $page['title'] = "$page[project] - Summary - ViewGit";
 219
 220         $revs = git_get_rev_list($page['project'], $conf['summary_shortlog']);
 221         foreach ($revs as $rev) {
 222                 $info = git_get_commit_info($page['project'], $rev);
 223                 $page['shortlog'][] = array(
 224                         'author' => $info['author_name'],
 225                         'date' => strftime($conf['datetime'], $info['author_utcstamp']),
 226                         'message' => $info['message'],
 227                         'commit_id' => $rev,
 228                         'tree' => $info['tree'],
 229                 );
 230         }
 231
 232         $heads = git_get_heads($page['project']);
 233         $page['heads'] = array();
 234         foreach ($heads as $h) {
 235                 $info = git_get_commit_info($page['project'], $h['h']);
 236                 $page['heads'][] = array(
 237                         'date' => strftime($conf['datetime'], $info['author_utcstamp']),
 238                         'h' => $h['h'],
 239                         'fullname' => $h['fullname'],
 240                         'name' => $h['name'],
 241                 );
 242         }
 243 }
 244 elseif ($action === 'tree') {
 245         $template = 'tree';
 246         $page['project'] = validate_project($_REQUEST['p']);
 247         $page['tree'] = validate_hash($_REQUEST['h']);
 248         $page['title'] = "$page[project] - Tree - ViewGit";
 249
 250         $page['entries'] = git_ls_tree($page['project'], $page['tree']);
 251 }
 252 else {
 253         die('Invalid action');
 254 }
 255
 256 require 'templates/header.php';
 257 require "templates/$template.php";
 258 require 'templates/footer.php';