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"MDL-19180, repository url plugin, if users provide a url of webpage, this plugin could list all images in this page"

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This commit is contained in:
dongsheng 2009-06-28 09:38:32 +00:00
parent 53b26f474c
commit 4dbb2b0507
2 changed files with 64 additions and 15 deletions
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7
lib/filelib.php
View File

@ -2285,7 +2285,9 @@ class curl {
if (empty($this->error)){
return $ret;
} else {
throw new moodle_exception($this->error, 'curl');
return $this->error;
// exception is not ajax friendly
//throw new moodle_exception($this->error, 'curl');
}
}
@ -2417,6 +2419,9 @@ class curl {
$ret = $this->request($url, $options);
return $ret;
}
public function get_info() {
return $this->info;
}
}
/**

72
repository/url/repository.class.php
View File

@ -21,11 +21,12 @@ class repository_url extends repository {
// will be used to construct download form
$this->client_id = $options['client_id'];
}
$this->file_url = optional_param('download_from', '', PARAM_RAW);
$this->file_url = optional_param('file', '', PARAM_RAW);
}
public function get_file($url, $file = '') {
global $CFG;
//$CFG->repository_no_delete = true;
$path = $this->prepare_file($file);
$fp = fopen($path, 'w');
$c = new curl;
@ -54,15 +55,8 @@ class repository_url extends repository {
$url->type = 'text';
$url->name = 'file';
$title = new stdclass;
$title->label = $strname.': ';
$title->id = 'newname-'.$this->client_id;
$title->type = 'text';
$title->name = 'title';
$ret['login'] = array($url, $title);
$ret['login'] = array($url);
$ret['login_btn_label'] = get_string('download', 'repository_url');
$ret['login_btn_action'] = 'download';
return $ret;
} else {
echo <<<EOD
@ -70,11 +64,7 @@ class repository_url extends repository {
<tr>
<td>{$strurl}: </td><td><input name="file" type="text" /></td>
</tr>
<tr>
<td>{$strname}: </td><td><input name="title" type="text" /></td>
</tr>
</table>
<input type="hidden" name="action" value="download" />
<input type="submit" value="{$strdownload}" />
EOD;
@ -87,7 +77,61 @@ EOD;
* @return array
*/
public function get_listing($path='', $page='') {
$this->print_login();
global $CFG;
set_time_limit(0);
$ret = array();
$curl = new curl;
$msg = $curl->head($this->file_url);
$info = $curl->get_info();
if ($info['http_code'] != 200) {
$ret['e'] = $msg;
} else {
$ret['list'] = array();
$ret['nosearch'] = true;
$ret['nologin'] = true;
$filename = $this->guess_filename($info['url'], $info['content_type']);
if (strstr($info['content_type'], 'text/html') || empty($info['content_type'])) {
// analysis this web page, general file list
$ret['list'] = array();
$a = $curl->get($info['url']);
$this->analyse_page($a, $ret);
} else {
// download this file
$ret['list'][] = array(
'title'=>$filename,
'source'=>$this->file_url,
'thumbnail' => $CFG->pixpath .'/f/'. mimeinfo('icon32', $filename)
);
}
}
return $ret;
}
public function analyse_page($content, &$list) {
global $CFG;
$pattern = '#src="?\'?([[:alnum:]:?=&@/._+-]+)"?\'?#i';
$matches = null;
preg_match_all($pattern, $content, $matches);
$matches = array_unique($matches[1]);
if (!empty($matches)) {
foreach($matches as $url) {
$list['list'][] = array(
'title'=>$this->guess_filename($url, ''),
// XXX: need to convert relative url to absolute url
'source'=>$url,
'thumbnail' => $CFG->pixpath .'/f/'. mimeinfo('icon32', $url)
);
}
}
}
public function guess_filename($url, $type) {
$pattern = '#\/([\w_\?\-.]+)$#';
$matches = null;
preg_match($pattern, $url, $matches);
if (empty($matches[1])) {
return $url;
} else {
return $matches[1];
}
}
public function get_name(){