'['.strip_tags($conf['gallery_title']).'] Re:'.$element['name'],
'content_format' => 'text/html',
);
$generic_content = '
!['.$element['name'].']('.$element['thumbnail'].')
.'.trigger_event('render_comment_author', $comm['author']).' wrote :
'.trigger_event('render_comment_content', $comm['content']).'
Link to comment
================================
';
foreach ($emails as $email)
{
$mail_args['content'] = $generic_content.'
Stop receiving notifications
Manage my subscribtions';
pwg_mail($email, $mail_args);
}
unset_make_full_url();
}
/**
* add an email to subscribers list
* @param int (image|category)_id
* @param string email
* @param string type (image|category)
*/
function subscribe_to_comments($element_id, $email, $type='image')
{
global $page, $conf, $user, $template, $picture;
if ( empty($element_id) or empty($type) )
{
trigger_error('subscribe_to_comment: missing element_id and/or type', E_USER_WARNING);
return false;
}
// check email
if ( ( is_a_guest() or empty($user['email']) ) and empty($email) )
{
return false;
}
else if (!is_a_guest())
{
$email = $user['email'];
}
// don't care if already registered
$query = '
INSERT INTO '.SUBSCRIBE_TO_TABLE.'(
email,
'.$type.'_id,
registration_date,
validated
)
VALUES(
"'.pwg_db_real_escape_string($email).'",
'.$element_id.',
NOW(),
"'.(is_a_guest() ? "false" : "true").'"
)
ON DUPLICATE KEY UPDATE
registration_date = IF(validated="true", registration_date, NOW()),
validated = IF(validated="true", validated, "'.(is_a_guest() ? "false" : "true").'")
;';
pwg_query($query);
// send validation mail
if ( is_a_guest() and pwg_db_changes(null) != 0 )
{
$element_name = ($type == 'image') ? $picture['current']['name'] : $page['category']['name'];
$mail_args = array(
'subject' => '['.strip_tags($conf['gallery_title']).'] Please confirm your subscribtion to comments',
'content_format' => 'text/html',
);
$mail_args['content'] = '
You requested to subscribe by email to comments on '.$element_name.'.
We care about your inbox, so we want to confirm this request. Please click the confirm link to activate the subscription.
Confirm subscription
If you did not request this action please disregard this message.
';
pwg_mail($email, $mail_args);
return 'confirm_mail';
}
// just display confirmation message
else if (pwg_db_changes(null) != 0)
{
return true;
}
}
/**
* remove an email from subscribers list
* @param int (image|category)_id
* @param string email
* @param string type (image|category)
*/
function un_subscribe_to_comments($element_id, $email, $type='image')
{
global $template, $user;
if ( empty($element_id) or empty($type) )
{
trigger_error('un_subscribe_to_comment: missing element_id and/or type', E_USER_WARNING);
return false;
}
// check email
if ( ( is_a_guest() or empty($user['email']) ) and empty($email) )
{
return false;
}
else if (!is_a_guest())
{
$email = $user['email'];
}
// delete subscription
switch ($type)
{
case 'image' :
case 'category' :
$where_clause = $type.'_id = '.pwg_db_real_escape_string($element_id);
case 'all' :
{
$query = '
DELETE FROM '.SUBSCRIBE_TO_TABLE.'
WHERE
email = "'.pwg_db_real_escape_string($email).'"
'.(!empty($where_clause) ? 'AND '.$where_clause : null).'
;';
pwg_query($query);
return true;
break;
}
}
return false;
}
/**
* validate a subscription
* @param int (image|category)_id
* @param string email
* @param string type (image|category)
*/
function validate_subscriptions($element_id, $email, $type='image')
{
if ( empty($element_id) or empty($email) or empty($type) )
{
trigger_error('validate_subscriptions: missing element_id and/or email and/or type', E_USER_WARNING);
return false;
}
switch ($type)
{
case 'image' :
case 'category':
$where_clause = $type.'_id = '.pwg_db_real_escape_string($element_id);
case 'all' :
{
$query = '
UPDATE '.SUBSCRIBE_TO_TABLE.'
SET validated = "true"
WHERE
email = "'.pwg_db_real_escape_string($email).'"
'.(!empty($where_clause) ? 'AND '.$where_clause : null).'
;';
pwg_query($query);
if (pwg_db_changes(null) != 0) return true;
break;
}
}
return false;
}
/**
* create absolute url to subscriptions section
* @param string action
* @param string email
* @return string
*/
function make_stc_url($action, $email)
{
if ( empty($action) or empty($email) )
{
trigger_error('make_stc_url: missing action and/or mail', E_USER_WARNING);
return null;
}
global $conf;
set_make_full_url();
$url_params = array(
'action' => $action,
'email' => $email,
);
if (func_num_args() > 2)
{
$url_params['id'] = func_get_arg(2);
}
$url_params['key'] = crypt_value(
$action.$email.(isset($url_params['id'])?$url_params['id']:null),
$conf['secret_key']
);
$url = add_url_params(
make_index_url( array('section' => 'subscriptions') ),
$url_params
);
unset_make_full_url();
return $url;
}
/**
* get name and url of a picture
* @param int image_id
* @return array
*/
function get_picture_infos($image_id, $absolute=false)
{
global $page;
$query = '
SELECT
id,
name,
file,
path,
tn_ext
FROM '.IMAGES_TABLE.'
WHERE id = '.$image_id.'
;';
$element = pwg_db_fetch_assoc(pwg_query($query));
if (empty($element['name']))
{
$element['name'] = get_name_from_file($element['file']);
}
$url_params = array('image_id' => $element['id']);
if ( !empty($page['category']) and !$absolute )
{
$url_params['section'] = 'categories';
$url_params['category'] = $page['category'];
}
$element['url'] = make_picture_url($url_params);
$element['thumbnail'] = get_thumbnail_url($element);
return $element;
}
/**
* get name and url of a category
* @param int cat_id
* @return array
*/
function get_category_infos($cat_id)
{
global $conf;
$query = '
SELECT
cat.id,
cat.name,
cat.permalink,
img.id AS image_id,
img.path,
img.tn_ext
FROM '.CATEGORIES_TABLE.' AS cat
LEFT JOIN '.USER_CACHE_CATEGORIES_TABLE.' AS ucc
ON ucc.cat_id = cat.id AND ucc.user_id = '.$conf['guest_id'].'
LEFT JOIN '.IMAGES_TABLE.' AS img
ON img.id = ucc.user_representative_picture_id
WHERE cat.id = '.$cat_id.'
;';
$element = pwg_db_fetch_assoc(pwg_query($query));
// we use guest_id for user_cache beacause we don't know the status of recipient
$url_params['section'] = 'categories';
$url_params['category'] = $element;
$element['url'] = make_index_url($url_params);
$element['thumbnail'] = get_thumbnail_url(array(
'id' => $element['image_id'],
'path' => $element['path'],
'tn_ext' => $element['tn_ext'],
));
return $element;
}
/**
* crypt a string using mcrypt extension or
* http://stackoverflow.com/questions/800922/how-to-encrypt-string-without-mcrypt-library-in-php/802957#802957
* @param string value to crypt
* @param string key
* @return string
*/
function crypt_value($value, $key)
{
if (extension_loaded('mcrypt'))
{
$iv_size = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB);
$iv = mcrypt_create_iv($iv_size, MCRYPT_RAND);
$result = mcrypt_encrypt(MCRYPT_RIJNDAEL_256, $key, $value, MCRYPT_MODE_ECB, $iv);
}
else
{
$result = null;
for($i = 0; $i < strlen($value); $i++)
{
$char = substr($value, $i, 1);
$keychar = substr($key, ($i % strlen($key))-1, 1);
$char = chr(ord($char) + ord($keychar));
$result .= $char;
}
}
$result = base64url_encode($result);
return trim($result);
}
/**
* decrypt a string crypted with previous function
* @param string value to decrypt
* @param string key
* @return string
*/
function decrypt_value($value, $key)
{
$value = base64url_decode($value);
if (extension_loaded('mcrypt'))
{
$iv_size = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB);
$iv = mcrypt_create_iv($iv_size, MCRYPT_RAND);
$result = mcrypt_decrypt(MCRYPT_RIJNDAEL_256, $key, $value, MCRYPT_MODE_ECB, $iv);
}
else
{
$result = null;
for($i = 0; $i < strlen($value); $i++)
{
$char = substr($value, $i, 1);
$keychar = substr($key, ($i % strlen($key))-1, 1);
$char = chr(ord($char) - ord($keychar));
$result .= $char;
}
}
return trim($result);
}
/**
* variant of base64 functions usable into url
* http://fr.php.net/manual/fr/function.base64-encode.php#103849
*/
function base64url_encode($data)
{
return rtrim(strtr(base64_encode($data), '+/', '-_'), '=');
}
function base64url_decode($data)
{
return base64_decode(str_pad(strtr($data, '-_', '+/'), strlen($data) % 4, '=', STR_PAD_RIGHT));
}
?>