Révision 4eeb3b46
Ajouté par Assos Assos il y a presque 8 ans
| drupal7/sites/all/modules/uuid/uuid.inc | ||
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/** |
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* Pattern for detecting a valid UUID. |
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*/ |
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define('UUID_PATTERN', '[0-9a-f]{8}-([0-9a-f]{4}-){3}[0-9a-f]{12}');
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define('UUID_PATTERN', '[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-5][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}');
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/** |
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* Generates an universally unique identifier. |
| ... | ... | |
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* universally unique identifiers. If that doesn't exist, then it falls back on |
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* PHP for generating that. |
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* |
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* @return |
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* @return string
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* An UUID, made up of 32 hex digits and 4 hyphens. |
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*/ |
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function uuid_generate() {
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| ... | ... | |
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return $callback(); |
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} |
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/** |
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* Generates a version 5 compliant UUID. |
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* |
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* @param string $namespace |
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* Namespace UUID as a hex encoded string. |
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* @param string $name |
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* The name for the generating the UUID. |
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* |
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* @return string |
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* UUID as a hex encoded string. |
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* |
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* @link http://www.php.net/manual/en/function.uniqid.php#94959 Code lifted from |
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* PHP manual comment by Andrew Moore. @endlink |
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*/ |
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function uuid_generate_v5($namespace, $name) {
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if (!uuid_is_valid($namespace)) {
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return FALSE; |
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} |
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// Get hexadecimal components of namespace. |
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$nhex = str_replace(array('-', '{', '}'), '', $namespace);
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// Binary Value. |
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$nstr = ''; |
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// Convert Namespace UUID to bits. |
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for ($i = 0; $i < strlen($nhex); $i += 2) {
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$nstr .= chr(hexdec($nhex[$i] . $nhex[$i + 1])); |
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} |
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// Calculate hash value. |
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$hash = sha1($nstr . $name); |
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return sprintf('%08s-%04s-%04x-%04x-%12s',
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// 32 bits for "time_low". |
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substr($hash, 0, 8), |
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// 16 bits for "time_mid". |
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substr($hash, 8, 4), |
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// 16 bits for "time_hi_and_version", |
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// four most significant bits holds version number 5. |
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(hexdec(substr($hash, 12, 4)) & 0x0fff) | 0x5000, |
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// 16 bits, 8 bits for "clk_seq_hi_res", |
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// 8 bits for "clk_seq_low", |
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// two most significant bits holds zero and one for variant DCE1.1. |
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(hexdec(substr($hash, 16, 4)) & 0x3fff) | 0x8000, |
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// 48 bits for "node". |
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substr($hash, 20, 12) |
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); |
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} |
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/** |
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* Generate all missing UUIDs. |
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*/ |
| ... | ... | |
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* The type of entity being used. |
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* |
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* @return string |
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* The generated UUID URI or normal URI if entity doesn't support UUIDs. |
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* The generated UUID URI or normal URI if entity doesn't support UUIDs.
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*/ |
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function uuid_entity_uuid_uri($entity, $entity_type) {
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$entity_info = entity_get_info($entity_type); |
| ... | ... | |
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/** |
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* Converts an ID URI string to an entity data array. |
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* |
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* @see uuid_id_uri_array_to_data() |
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* |
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* @param string $uri |
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* The URI to convert. |
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* The URI to convert.
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* |
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* @return array |
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* The entity data. |
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* The entity data. |
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* |
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* @see uuid_id_uri_array_to_data() |
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*/ |
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function uuid_id_uri_to_data($uri) {
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$parts = explode('/', $uri);
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| ... | ... | |
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* Converts a URI array to entity data array. |
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* |
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* @param array $uri |
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* The URI parts, often taken from arg(). |
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* The URI parts, often taken from arg().
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* |
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* @return array |
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* The entity data. |
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* The entity data.
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*/ |
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function uuid_id_uri_array_to_data($uri) {
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$data = array( |
| ... | ... | |
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/** |
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* Converts a UUID URI string to an entity data array. |
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* |
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* @see uuid_uri_array_to_data() |
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* |
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* @param string $uri |
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* The URI to convert. |
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* The URI to convert.
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* |
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* @return array |
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* The entity data. |
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* The entity data. |
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* |
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* @see uuid_uri_array_to_data() |
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*/ |
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function uuid_uri_to_data($uri, $strip_uuid = TRUE) {
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return uuid_uri_array_to_data(explode('/', $uri));
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| ... | ... | |
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* Converts a URI array to entity data array. |
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* |
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* @param array $uri |
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* The URI parts, often taken from arg(). |
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* The URI parts, often taken from arg().
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* |
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* @return array |
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* The entity data. |
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* The entity data.
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*/ |
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function uuid_uri_array_to_data($uri, $strip_uuid = TRUE) {
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if ($strip_uuid) {
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| ... | ... | |
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$data = array( |
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'request' => $uri, |
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'entity_type' => $uri[0],
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'uuid' => $uri[1],
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'entity_type' => isset($uri[0]) ? $uri[0] : NULL,
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'uuid' => isset($uri[1]) ? $uri[1] : NULL,
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); |
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drupal_alter('uuid_uri_data', $data);
|
| ... | ... | |
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); |
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} |
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// This is wrapped in an if block to avoid conflicts with PECL's uuid_is_valid(). |
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// The if block avoids conflicts with PECL's uuid_is_valid(). |
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if (!function_exists('uuid_is_valid')) {
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|
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/** |
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* Check that a string appears to be in the format of a UUID. |
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* |
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* @param $uuid |
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* The string to test. |
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* @param string $uuid
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* The string to test.
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* |
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* @return |
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* TRUE if the string is well formed. |
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* @return bool
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* TRUE if the string is well formed.
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*/ |
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function uuid_is_valid($uuid) {
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return preg_match('/^' . UUID_PATTERN . '$/', $uuid);
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} |
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} |
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