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Commit dbd748a2 authored by Nathan Haug's avatar Nathan Haug
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* Added support for internal links, no special trick on entry, just enter a Drupal path node/3

parent 2605f7e6
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link.module
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......@@ -80,15 +80,15 @@ function link_field_settings($op, $field) {
'url' => array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => "''"),
'title' => array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => "''"),
'attributes' => array('type' => 'mediumtext', 'not null' => TRUE, 'default' => "''"),
);
);
case 'filters':
return array(
'default' => array(
'operator' => 'views_handler_operator_like',
'handler' => 'views_handler_filter_like',
),
);
'default' => array(
'operator' => 'views_handler_operator_like',
'handler' => 'views_handler_filter_like',
),
);
}
}
......@@ -157,17 +157,17 @@ function link_widget($op, &$node, $field, &$node_field) {
foreach($node_field as $delta => $value) {
if ($value['url']) {
// Validate the link
if (!link_validate_link(trim($value['url']))) {
form_set_error($field['field_name'] .']['. $delta. '][value][url', t('Not a valid URL.'));
if (link_validate_url(trim($value['url'])) == FALSE) {
form_set_error($field['field_name'] .']['. $delta. '][url', t('Not a valid URL.'));
}
// Require a title for the link if necessary
elseif ($field['title'] == 'required' && strlen(trim($value['title'])) == 0) {
form_set_error($field['field_name'] .']['. $delta. '][value][title', t('Titles are required for all links.'));
form_set_error($field['field_name'] .']['. $delta. '][title', t('Titles are required for all links.'));
}
}
// Require a link if we have a title
elseif (strlen($value['title']) > 0) {
form_set_error($field['field_name'] .']['. $delta. '][value][link', t('You cannot enter a title without a link.'));
form_set_error($field['field_name'] .']['. $delta. '][link', t('You cannot enter a title without a link.'));
}
}
return;
......@@ -276,13 +276,26 @@ function link_field_formatter($field, $item, $formatter) {
}
}
}
$url = link_cleanup_url($item['url']);
if (strpos($url, '#') !== FALSE) {
$fragment = substr($url, strpos($url, '#') + 1);
$url = substr($url, 0, strpos($url, '#'));
}
if (strpos($url, '?') !== FALSE) {
$query = substr($url, strpos($url, '?') + 1);
$url = substr($url, 0, strpos($url, '?'));
}
// Build the link with a title
if (strlen(trim($item['title']))) {
$output = l($item['title'],link_cleanup_url($item['url']),$attributes);
$output = l($item['title'], $url, $attributes, $query, $fragment);
}
// Build the link with the URL as the title (max 80 characters)
else {
$output = l(strlen($item['url']) > 80 ? substr($item['url'],0,80)."..." : $item['url'],link_cleanup_url($item['url']),$attributes);
$display_url = url($url, $query, $fragment, TRUE);
$output = l(strlen($display_url) > 80 ? substr($display_url,0,80)."..." : $display_url, $url, $attributes, $query, $fragment);
}
return $output;
}
......@@ -296,18 +309,20 @@ function link_field_formatter($field, $item, $formatter) {
*/
function link_cleanup_url ($url, $protocol = "http") {
$url = trim($url);
// Check if there is no protocol specified
$protocol_match = preg_match("/^([a-z0-9][a-z0-9\.\-_]*:\/\/)/i",$url);
if (empty($protocol_match)) {
// But should it be? Add an automatic http:// if it starts with a domain name
$domain_match = preg_match('/^(([a-z0-9]([a-z0-9\-_]*\.)+)(aero|arpa|biz|com|coop|edu|gov|info|int|jobs|mil|museum|name|nato|net|org|pro|travel|[a-z]{2}))/i',$url);
if (!empty($domain_match)) {
$url = $protocol."://".$url;
$type = link_validate_url($url);
if ($type == 1) {
// Check if there is no protocol specified
$protocol_match = preg_match("/^([a-z0-9][a-z0-9\.\-_]*:\/\/)/i",$url);
if (empty($protocol_match)) {
// But should it be? Add an automatic http:// if it starts with a domain name
$domain_match = preg_match('/^(([a-z0-9]([a-z0-9\-_]*\.)+)(aero|arpa|biz|com|coop|edu|gov|info|int|jobs|mil|museum|name|nato|net|org|pro|travel|[a-z]{2}))/i',$url);
if (!empty($domain_match)) {
$url = $protocol."://".$url;
}
}
}
return check_url($url);
return $url;
}
/**
......@@ -317,32 +332,46 @@ function link_cleanup_url ($url, $protocol = "http") {
* @return mixed Returns boolean FALSE if the URL is not valid. On success, returns an object with
* the following attributes: protocol, hostname, ip, and port.
*/
function link_validate_link($text) {
if (preg_match(
// protocol
'/^([a-z0-9][a-z0-9\.\-_]*:\/\/)?'.
'('.
// domains
'(([a-z0-9]([a-z0-9\-_]*\.)+)(aero|arpa|biz|com|coop|edu|gov|info|int|jobs|mil|museum|name|nato|net|org|pro|travel|mobi|[a-z]{2}))'.
// OR ip addresses
'|(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})'.
')'.
// port number
'(:([0-9]{1,4}))?'.
// the rest of the path
"(\/[a-z0-9_\-\.~+%=&,$'():;*@]+)*".
// forward slash 0 or 1 times
'(\/)?'.
// anchors
"(#[a-z0-9_\-\.~+%=&,$'():;*@]*)?".
// query string
"(\/?\?[a-z0-9+_\-\.\/%=&,$'():;*@]*)?".
// end of the expression, case insensitive
'$/i', $text, $m)) {
dsm($m);
return true;
function link_validate_url($text) {
static $allowed_protocols;
if (!isset($allowed_protocols)) {
$allowed_protocols = implode("|",variable_get('filter_allowed_protocols', array('http', 'https', 'ftp', 'news', 'nntp', 'telnet', 'mailto', 'irc', 'ssh', 'sftp', 'webcal')));
}
$external_pattern =
// protocol
'/^(' . $allowed_protocols . ':\/\/)?'.
'('.
// domains
'(([a-z0-9]([a-z0-9\-_]*\.)+)(aero|arpa|biz|com|coop|edu|gov|info|int|jobs|mil|museum|name|nato|net|org|pro|travel|mobi|[a-z]{2}))'.
// OR ip addresses
'|(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})'.
')'.
// port number
'(:([0-9]{1,4}))?';
// Starting path
$internal_pattern = "/^([a-z0-9_\-+]+)";
// the rest of the path
$end = "(\/[a-z0-9_\-\.~+%=&,$'():;*@]+)*".
// forward slash 0 or 1 times
'(\/)?'.
// query string
"(\/?\?[a-z0-9+_\-\.\/%=&,$'():;*@]*)?".
// anchors
"(#[a-z0-9_\-\.~+%=&,$'():;*@]*)?".
// end of the expression, case insensitive
'$/i';
if (preg_match($external_pattern . $end, $text, $m)) {
return 1;
}
else {
return false;
elseif (preg_match($internal_pattern . $end, $text, $m)) {
return 2;
}
elseif (strpos($text, '<front>') === 0) {
return 3;
}
return FALSE;
}
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