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revision 1.1, Sat Jan 31 02:00:25 2009 UTC revision 1.2, Sat Jan 31 17:51:40 2009 UTC
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1    <?php
2    // $Id: image_pub.xp.inc,v 1.1.2.1 2009/01/31 02:00:25 egfrith Exp $
3    
4    /*
5     * Windows Web publishing wizard support
6     *
7     * Below is support for the Windows XP Web publishing wizard.  It's just a
8     * glorified file picker and MSIE instance in a wizard form factor, but
9     * it gets the job done, and did we mention it comes with every copy of
10     * Windows?
11     *
12     * Microsoft even appears to have some sort of documentation for the
13     * publishing wizard on the MSDN site, although debugging is a major
14     * pain:
15     *
16     * http://msdn.microsoft.com/library/default.asp?url=/library/en-us/shellcc/platform/shell/programmersguide/shell_basics/shell_basics_extending/publishing_wizard/pubwiz.asp
17     *
18     * Our part of the wizard has three steps:
19     * 1. Authenticate.
20     * 2. Select or create album.
21     * 3. Publish.  We send a blank page with a magic script to configure
22     *    the wizard.
23     *
24     * We send bare HTML and don't use themes.  Why not themes?
25     * -> The XP publishing wizard has a microscopic embedded MSIE instance
26     *    that we don't want to overflow with content.  That is hard to
27     *    guarantee using an arbitrary theme.
28     * -> Themes will display distracting links in headers and sidebars.  We
29     *    don't want the user navigating to one of the distractions.
30     */
31    
32    require_once 'image_pub.common.inc';
33    
34    /*
35     * Concoct a magic registry file to add this site to the list of
36     * usable destinations for the publishing wizard.
37     */
38    function _image_pub_xp_reghack() {
39      $pub_url = url('publish_xp', array('absolute' => TRUE));
40      $site_name = variable_get('site_name', 'drupal');
41      $site_descr = sprintf(t("Publish Your Photos to %s."), $site_name);
42      if (!strncmp($pub_url, 'https:', 6)) {
43        $site_descr .= ' (Secure)';
44      }
45      else {
46        $site_descr .= ' (Insecure)';
47      }
48      drupal_set_header("Cache-control: private");
49      drupal_set_header("Content-Type: application/octet-stream");
50      drupal_set_header("Content-Disposition: filename=install_registry.reg");
51    
52      $lines[] = 'Windows Registry Editor Version 5.00';
53      $lines[] = '';
54      $lines[] = '[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\PublishingWizard\PublishingWizard\Providers\\' . $site_name . ']';
55      $lines[] = '"displayname"="' . $site_name . '"';
56      $lines[] = '"description"="' . $site_descr . '"';
57      $lines[] = '"href"="' . $pub_url . '"';
58      $lines[] = '"icon"="' . _image_pub_base_url() . '/favicon.ico"';
59      $lines[] = '';
60      echo join("\r\n", $lines);
61      exit;
62    }
63    
64    
65    /*
66     * Implementation of wizard forms and such:
67     *      _image_pub_xp_request()         (main entry point)
68     *      _image_pub_xp_login()
69     *      _image_pub_xp_album()
70     *      _image_pub_xp_addimage()
71     *      _image_pub_xp_page()            (HTML form template)
72     *      _image_pub_xp_login_form()
73     *      _image_pub_xp_album_form()
74     *      _image_pub_xp_addimage_script()
75     */
76    
77    function _image_pub_xp_request() {
78    
79      /*
80       * We require the user to be logged in to publish.
81       * We honor cookies saved from other MSIE sessions, and don't
82       * require the user to log in if they already have a session.
83       */
84    
85      global $user;
86      $cmd = $_REQUEST['cmd'];
87      if (!$user->uid) {
88        if (!isset($cmd)) {
89          $cmd = 'login';
90        }
91      }
92    
93      switch ($cmd) {
94        case 'login':
95          _image_pub_xp_login($_REQUEST['uname'], $_REQUEST['password']);
96          break;
97        case 'addimage':
98          _image_pub_xp_addimage($_REQUEST['albumid']);
99        default:
100          _image_pub_xp_album($_REQUEST['edit']);
101          break;
102      }
103    }
104    
105    
106    function _image_pub_xp_login($uname, $pass) {
107      if (empty($uname) && empty($pass)) {
108        _image_pub_xp_login_form();
109      }
110      elseif (!_image_pub_authenticate($uname, $pass)) {
111        drupal_set_message('Login failed. Please try again.', 'error');
112        _image_pub_xp_login_form("Invalid Login", $uname);
113      }
114      else {
115        _image_pub_xp_album_form();
116      }
117    }
118    
119    
120    function _image_pub_xp_album($edit) {
121      if (!isset($edit)) {
122        _image_pub_xp_album_form();
123        return;
124      }
125    
126      $create_new = $edit['create_new'];
127    
128      if ($create_new) {
129        $albumid = $edit['create_parentid'];
130        $create_name = $edit['create_name'];
131        $create_descr = $edit['create_descr'];
132    
133        $album = _image_pub_album_get($albumid);
134        if (!_image_pub_album_access('update', $album)) {
135          drupal_set_message('Created album permission denied.', 'error');
136          _image_pub_xp_album_form('Create Album Permission Denied', $album);
137        }
138    
139        $newalbum = _image_pub_album_add($create_name, $create_descr, $album);
140    
141        if (isset($newalbum)) {
142          drupal_set_message('New album '.'<em>'.$newalbum->name.'</em>'.' created.');
143          _image_pub_xp_album_form('Created Album "'.$newalbum->name.'"', $newalbum);
144        }
145        else {
146          drupal_set_message('Error creating album '.'<em>'.$newalbum->name.'</em>.', 'error');
147          _image_pub_xp_album_form('Error Creating Album', $album);
148        }
149        return;
150      }
151    
152      // if we got here we are choosing an existing album
153      $albumid = $edit['albumid'];
154      $album = _image_pub_album_get($albumid);
155    
156      if (!isset($album)) {
157        drupal_set_mssage('Invalid album specified.', 'error');
158        _image_pub_xp_album_form('Invalid album specified');
159        return;
160      }
161      if (!_image_pub_album_access('create', $album)) {
162        drupal_set_message('Create image permission denied.', 'error');
163        _image_pub_xp_album_form('Create Image Permission Denied', $album);
164        return;
165      }
166      _image_pub_xp_addimage_script($album);
167    }
168    
169    
170    function _image_pub_xp_addimage($albumid) {
171      $album = _image_pub_album_get($albumid);
172      if (!isset($album)) {
173        _image_pub_xp_album_form('Invalid album specified');
174        return;
175      }
176      if (!_image_pub_album_access('update', $album)) {
177        _image_pub_xp_album_form('Create Image Permission Denied', $album);
178        return;
179      }
180    
181      $result = _image_pub_image_add($album, NULL, NULL, 'userfile');
182    }
183    
184    
185    function _image_pub_xp_page($body, $header, $next, $back = NULL) {
186      global $language;
187      $site_name = variable_get('site_name', 'drupal');
188    ?>
189    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
190    <html xmlns="http://www.w3.org/1999/xhtml" lang="<?php print $language->language; ?>" xml:lang="<?php print $language->language; ?>">
191    <head>
192    </head>
193    <body>
194    <?php echo $body; ?>
195    <script>
196    function OnBack() {
197    <?php if (isset($back)) { ?>
198            window.location.href = "<?php echo $back; ?>";
199    <?php }
200    else { ?>
201            window.external.FinalBack();
202    <?php } ?>
203            window.external.SetWizardButtons(true,true,false);
204    }
205    function OnNext() {
206            <?php echo $next; ?>.submit();
207    }
208    function window.onload() {
209            window.external.SetHeaderText("<?php echo $site_name; ?>", "<?php echo $header; ?>");
210            window.external.SetWizardButtons(true,true,false);
211    }
212    </script>
213    </body>
214    </html>
215    <?php
216      exit;
217    }
218    
219    
220    function _image_pub_xp_login_form($message = NULL, $uname = NULL) {
221    
222      if (!isset($uname)) {
223        $uname = '';
224      }
225    
226      // Build a form array
227      $form = array();
228    
229      $form['login'] = array(
230        '#type' => 'fieldset',
231        '#tree' => FALSE,
232      );
233    
234      $form['login']['uname'] = array(
235        '#type' => 'textfield',
236        '#title' => t('User name'),
237        '#default_value' => check_plain($uname),
238        '#description' => t('Enter your user name.'),
239      );
240    
241      $form['login']['password'] = array(
242        '#type' => 'password',
243        '#title' => t('Password'),
244        '#description' => t('Enter your password.'),
245      );
246    
247      $form['cmd'] = array(
248        '#type' => 'hidden',
249        '#value' => 'login',
250      );
251    
252      $form['lcid'] = array(
253        '#type' => 'hidden',
254        '#value' => check_plain($_REQUEST['lcid']),
255      );
256    
257      $form['langid'] = array(
258        '#type' => 'hidden',
259        '#value' => check_plain($_REQUEST['langid']),
260      );
261    
262      $form[session_name()] = array(
263        '#type' => 'hidden',
264        '#value' => check_plain(session_id()),
265      );
266    
267      // Build the HTML output
268      $body = array();
269    
270      // Title
271      $body[] = '<h1>Log in</h1>';
272    
273      // Display error message if one is active
274      $body[] = theme('status_messages');
275    
276      // Render the form elements to themed HTML
277      $body[] = '<form method="post" id="login">';
278      $body[] = drupal_render(form_builder('login', $form));
279      $body[] = '</form>';
280      $body[] = '';
281    
282      // Output the wizard page
283      _image_pub_xp_page(implode("\r\n", $body), 'Upload photos...', 'login');
284    
285    }
286    
287    
288    function _image_pub_xp_album_form($message = NULL, $select_album = NULL) {
289    
290      /**
291       * This form is currently not very elegant in how it is build
292       * as it has to over-ride #parents to be compatible with the rest
293       * of the existing code. Field sets are used to present the data
294       * in logical blocks. It may be better in the longer term to make an
295       * additional form page - decide it you want an existing or a new album
296       * and then take the user there, rather than doing it all in one.
297       * Leave as is for now just to check the concept is working
298       */
299    
300      // Build a form array
301      $form = array();
302      $form_state = array();
303    
304      // create a fieldset to wrap the form in
305      // note #parents must be forced for this set to work with original code
306      $form['existing'] = array(
307        '#type' => 'fieldset',
308        '#tree' => FALSE,
309      );
310    
311      // radio button for existing album
312      $form['existing']['create_new'] = array(
313        '#type' => 'radio',
314        '#return_value' => 0,
315        '#title' => t('Use an existing album'),
316        '#attributes' => array('checked' => 'checked'),
317        '#parents' => array('edit', 'create_new'),
318      );
319    
320      // for some reason if a new album it doesn't always end up in the select list
321      // I tried using cache_clear_all but that doesn't help
322      // Leave as a bug for now
323    
324      // generate the selector by calling _taxonomy_term_select
325      $form['existing']['albumid'] = _taxonomy_term_select('', '', $select_album->tid, _image_pub_get_vid(), '', FALSE, FALSE);
326      $form['existing']['albumid']['#parents'] = array('edit', 'albumid');
327    
328      // reset weighting, and delete title from selector
329      unset($form['existing']['albumid']['#weight']);
330      unset($form['existing']['albumid']['#title']);
331      unset($form['existing']['albumid']['#description']);
332    
333      // create a container for new album fields
334      // call it edit to avoid having to force #parents
335      $form['edit'] = array(
336        '#type' => 'fieldset',
337        '#tree' => TRUE,
338      );
339    
340      // radio button for new album
341      $form['edit']['create_new'] = array(
342        '#type' => 'radio',
343        '#return_value' => 1,
344        '#title' => t('Create a new album'),
345      );
346    
347      // get the parent selector by calling _image_gallery_parent_select
348      $form['edit']['create_parentid'] = _image_gallery_parent_select(NULL, 'Within');
349    
350      // reset #required option in this instance
351      unset($form['edit']['create_parentid']['#required']);
352    
353      $form['edit']['create_name'] = array(
354        '#type' => 'textfield',
355        '#title' => t('Album name'),
356      );
357    
358      $form['edit']['create_descr'] = array(
359        '#type' => 'textfield',
360        '#title' => t('Album description'),
361      );
362    
363      // Common section - render to all forms
364      $form['cmd'] = array(
365        '#type' => 'hidden',
366        '#value' => 'album',
367      );
368    
369      $form['lcid'] = array(
370        '#type' => 'hidden',
371        '#value' => check_plain($_REQUEST['lcid']),
372      );
373    
374      $form['langid'] = array(
375        '#type' => 'hidden',
376        '#value' => check_plain($_REQUEST['langid']),
377      );
378    
379      $form[session_name()] = array(
380        '#type' => 'hidden',
381        '#value' => check_plain(session_id()),
382      );
383    
384      // Build the HTML output
385      $body = array();
386    
387      // Title
388      $body[] = '<h2>Select an album</h2>';
389    
390      // Display error message if one is active
391      $body[] = theme('status_messages');
392    
393      // Render the form elements to themed HTML
394      $body[] = '<form method="post" id="album">';
395      $body[] = drupal_render(form_builder('album', $form, $form_state));
396      $body[] = '</form>';
397      $body[] = '';
398    
399       _image_pub_xp_page(implode("\r\n", $body), 'Upload photos...', 'album');
400    }
401    
402    
403    /*
404     * Concoct a magic ecmascript to configure the XP publishing wizard
405     * to perform the required image submission tasks.
406     */
407    function _image_pub_xp_addimage_script($album) {
408      $albumid = $album->tid;
409    ?>
410    <html>
411    <head>
412    <script>
413    function OnBack() {
414    }
415    function OnNext() {
416    }
417    function window.onload() {
418            window.external.SetWizardButtons(true,true,true);
419    }
420    
421    var xml = window.external.Property("TransferManifest");
422    var files = xml.selectNodes("transfermanifest/filelist/file");
423    
424    for (i = 0; i < files.length; i++) {
425            var postTag = xml.createNode(1, "post", "");
426            postTag.setAttribute("href", "<?php echo url('publish_xp',  array('absolute' => TRUE)); ?>");
427            postTag.setAttribute("name", "userfile");
428    
429            var dataTag = xml.createNode(1, "formdata", "");
430            dataTag.setAttribute("name", "albumid");
431            dataTag.text = "<?php echo $albumid; ?>";
432            postTag.appendChild(dataTag);
433    
434            dataTag = xml.createNode(1, "formdata", "");
435            dataTag.setAttribute("name", "cmd");
436            dataTag.text = "addimage";
437            postTag.appendChild(dataTag);
438    
439            dataTag = xml.createNode(1, "formdata", "");
440            dataTag.setAttribute("name", "<?php echo session_name(); ?>");
441            dataTag.text = "<?php echo session_id(); ?>";
442            postTag.appendChild(dataTag);
443    
444            dataTag = xml.createNode(1, "formdata", "");
445            dataTag.setAttribute("name", "userfile_name");
446            dataTag.text = files[i].getAttribute("destination");
447            postTag.appendChild(dataTag);
448    
449            dataTag.setAttribute("name", "action");
450            dataTag.text = "SAVE";
451            postTag.appendChild(dataTag);
452    
453            files.item(i).appendChild(postTag);
454    }
455    
456    var uploadTag = xml.createNode(1, "uploadinfo", "");
457    var htmluiTag = xml.createNode(1, "htmlui", "");
458    htmluiTag.text = "<?php echo url('image/tid/'.$albumid, array('absolute' => TRUE)); ?>";
459    uploadTag.appendChild(htmluiTag);
460    
461    xml.documentElement.appendChild(uploadTag);
462    
463    window.external.Property("TransferManifest")=xml;
464    window.external.SetWizardButtons(true,true,true);
465    window.external.FinalNext();
466    
467    </script>
468    </head>
469    </html>
470    <?php
471      exit;
472    }
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