summaryrefslogtreecommitdiff
path: root/scripts/importtwitteratom.php
blob: 261dfb1d02b7af595d628632eec97f1af2947cb4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
#!/usr/bin/env php
<?php
/*
 * StatusNet - the distributed open-source microblogging tool
 * Copyright (C) 2010 StatusNet, Inc.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

define('INSTALLDIR', realpath(dirname(__FILE__) . '/..'));

$shortoptions = 'i:n:f:';
$longoptions = array('id=', 'nickname=', 'file=');

$helptext = <<<END_OF_IMPORTTWITTERATOM_HELP
importtwitteratom.php [options]
import an Atom feed from Twitter as notices by a user

  -i --id       ID of user to update
  -n --nickname nickname of the user to update
  -f --file     file to import (Atom-only for now)

END_OF_IMPORTTWITTERATOM_HELP;

require_once INSTALLDIR.'/scripts/commandline.inc';
require_once INSTALLDIR.'/extlib/htmLawed/htmLawed.php';

function getAtomFeedDocument()
{
    $filename = get_option_value('f', 'file');

    if (empty($filename)) {
        show_help();
        exit(1);
    }

    if (!file_exists($filename)) {
        throw new Exception("No such file '$filename'.");
    }

    if (!is_file($filename)) {
        throw new Exception("Not a regular file: '$filename'.");
    }

    if (!is_readable($filename)) {
        throw new Exception("File '$filename' not readable.");
    }

    $xml = file_get_contents($filename);

    $dom = DOMDocument::loadXML($xml);

    if ($dom->documentElement->namespaceURI != Activity::ATOM ||
        $dom->documentElement->localName != 'feed') {
        throw new Exception("'$filename' is not an Atom feed.");
    }

    return $dom;
}

function importActivityStream($user, $doc)
{
    $feed = $doc->documentElement;

    $entries = $feed->getElementsByTagNameNS(Activity::ATOM, 'entry');

    for ($i = $entries->length - 1; $i >= 0; $i--) {
        $entry = $entries->item($i);
        $activity = new Activity($entry, $feed);
        $object = $activity->objects[0];
        if (!have_option('q', 'quiet')) {
            print $activity->content . "\n";
        }
        $html = getTweetHtml($object->link);

        $config = array('safe' => 1,
                        'deny_attribute' => 'class,rel,id,style,on*');

        $html = htmLawed($html, $config);

        $content = html_entity_decode(strip_tags($html));

        $notice = Notice::saveNew($user->id,
                                  $content,
                                  'importtwitter',
                                  array('uri' => $object->id,
                                        'url' => $object->link,
                                        'rendered' => $html,
                                        'created' => common_sql_date($activity->time),
                                        'replies' => array(),
                                        'groups' => array()));
    }
}

function getTweetHtml($url)
{
    try {
        $client = new HTTPClient();
        $response = $client->get($url);
    } catch (HTTP_Request2_Exception $e) {
        print "ERROR: HTTP response " . $e->getMessage() . "\n";
        return false;
    }

    if (!$response->isOk()) {
        print "ERROR: HTTP response " . $response->getCode() . "\n";
        return false;
    }

    $body = $response->getBody();

    return tweetHtmlFromBody($body);
}

function tweetHtmlFromBody($body)
{
    $doc = DOMDocument::loadHTML($body);
    $xpath = new DOMXPath($doc);

    $spans = $xpath->query('//span[@class="entry-content"]');

    if ($spans->length == 0) {
        print "ERROR: No content in tweet page.\n";
        return '';
    }

    $span = $spans->item(0);

    $children = $span->childNodes;

    $text = '';

    for ($i = 0; $i < $children->length; $i++) {
        $child = $children->item($i);
        if ($child instanceof DOMElement &&
            $child->tagName == 'a' &&
            !preg_match('#^https?://#', $child->getAttribute('href'))) {
            $child->setAttribute('href', 'http://twitter.com' . $child->getAttribute('href'));
        }
        $text .= $doc->saveXML($child);
    }

    return $text;
}

try {

    $doc = getAtomFeedDocument();
    $user = getUser();

    importActivityStream($user, $doc);

} catch (Exception $e) {
    print $e->getMessage()."\n";
    exit(1);
}