| - | Code Coverage |
- ||||||||
| - | Lines |
- Functions and Methods |
- Classes and Traits |
- ||||||
| Total | -
-
-
- |
- 69.51% |
- 269 / 387 |
-
-
-
- |
- 50.00% |
- 10 / 20 |
-
-
-
- |
- 33.33% |
- 1 / 3 |
-
| oai2.php | -
-
-
- |
- 85.51% |
- 59 / 69 |
- - | - | - | - | ||
| oai2exception.php | -
-
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- |
- 100.00% |
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- 100.00% |
- 2 / 2 |
-
-
-
- |
- 100.00% |
- 1 / 1 |
-
| oai2server.php | -
-
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- |
- 58.55% |
- 137 / 234 |
-
-
-
- |
- 38.46% |
- 5 / 13 |
-
-
-
- |
- 0.00% |
- 0 / 1 |
-
| oai2xml.php | -
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- |
- 73.17% |
- 30 / 41 |
-
-
-
- |
- 60.00% |
- 3 / 5 |
-
-
-
- |
- 0.00% |
- 0 / 1 |
-
| t |
| - | Code Coverage |
- |||||||||
| - | Classes and Traits |
- Functions and Methods |
- Lines |
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| Total | -- | - | - | - | CRAP | -
-
-
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- 85.51% |
- 59 / 69 |
- ||
| anonymous function($identifier, $metadataPrefix) | -
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- 75.00% |
- 3 / 4 |
- |||
| <?php | |
| require_once('oai2server.php'); | |
| /** | |
| * Identifier settings. It needs to have proper values to reflect the settings of the data provider. | |
| * Is MUST be declared in this order | |
| * | |
| * - $identifyResponse['repositoryName'] : compulsory. A human readable name for the repository; | |
| * - $identifyResponse['baseURL'] : compulsory. The base URL of the repository; | |
| * - $identifyResponse['protocolVersion'] : compulsory. The version of the OAI-PMH supported by the repository; | |
| * - $identifyResponse['earliestDatestamp'] : compulsory. A UTCdatetime that is the guaranteed lower limit of all datestamps recording changes, modifications, or deletions in the repository. A repository must not use datestamps lower than the one specified by the content of the earliestDatestamp element. earliestDatestamp must be expressed at the finest granularity supported by the repository. | |
| * - $identifyResponse['deletedRecord'] : the manner in which the repository supports the notion of deleted records. Legitimate values are no ; transient ; persistent with meanings defined in the section on deletion. | |
| * - $identifyResponse['granularity'] : the finest harvesting granularity supported by the repository. The legitimate values are YYYY-MM-DD and YYYY-MM-DDThh:mm:ssZ with meanings as defined in ISO8601. | |
| * | |
| */ | |
| $identifyResponse = array(); | |
| $identifyResponse["repositoryName"] = 'OAI2 PMH Test'; | |
| $identifyResponse["baseURL"] = 'http://198.199.108.242/~neis/oai_pmh/oai2.php'; | |
| $identifyResponse["protocolVersion"] = '2.0'; | |
| $identifyResponse['adminEmail'] = 'danielneis@gmail.com'; | |
| $identifyResponse["earliestDatestamp"] = '2013-01-01T12:00:00Z'; | |
| $identifyResponse["deletedRecord"] = 'no'; // How your repository handles deletions | |
| // no: The repository does not maintain status about deletions. | |
| // It MUST NOT reveal a deleted status. | |
| // persistent: The repository persistently keeps track about deletions | |
| // with no time limit. It MUST consistently reveal the status | |
| // of a deleted record over time. | |
| // transient: The repository does not guarantee that a list of deletions is | |
| // maintained. It MAY reveal a deleted status for records. | |
| $identifyResponse["granularity"] = 'YYYY-MM-DDThh:mm:ssZ'; | |
| $example_record = array('identifier' => 'a.b.c', | |
| 'datestamp' => date('Y-m-d-H:s'), | |
| 'set' => 'class:activity', | |
| 'metadata' => array( | |
| 'container_name' => 'oai_dc:dc', | |
| 'container_attributes' => array( | |
| 'xmlns:oai_dc' => "http://www.openarchives.org/OAI/2.0/oai_dc/", | |
| 'xmlns:dc' => "http://purl.org/dc/elements/1.1/", | |
| 'xmlns:xsi' => "http://www.w3.org/2001/XMLSchema-instance", | |
| 'xsi:schemaLocation' => | |
| 'http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd' | |
| ), | |
| 'fields' => array( | |
| 'dc:title' => 'Testing records', | |
| 'dc:author' => 'Neis' | |
| ) | |
| )); | |
| /* unit tests ;) */ | |
| if (!isset($args)) { | |
| $args = $_GET; | |
| } | |
| if (!isset($uri)) { | |
| $uri = 'test.oai_pmh'; | |
| } | |
| $oai2 = new OAI2Server($uri, $args, $identifyResponse, | |
| array( | |
| 'ListMetadataFormats' => | |
| function($identifier = '') { | |
| if (!empty($identifier) && $identifier != 'a.b.c') { | |
| throw new OAI2Exception('idDoesNotExist', '', $identifier); | |
| } | |
| return | |
| array('rif' => array('metadataPrefix'=>'rif', | |
| 'schema'=>'http://services.ands.org.au/sandbox/orca/schemata/registryObjects.xsd', | |
| 'metadataNamespace'=>'http://ands.org.au/standards/rif-cs/registryObjects/', | |
| ), | |
| 'oai_dc' => array('metadataPrefix'=>'oai_dc', | |
| 'schema'=>'http://www.openarchives.org/OAI/2.0/oai_dc.xsd', | |
| 'metadataNamespace'=>'http://www.openarchives.org/OAI/2.0/oai_dc/', | |
| 'record_prefix'=>'dc', | |
| 'record_namespace' => 'http://purl.org/dc/elements/1.1/')); | |
| }, | |
| 'ListSets' => | |
| function($resumptionToken = '') { | |
| return | |
| array ( | |
| array('setSpec'=>'class:collection', 'setName'=>'Collections'), | |
| array('setSpec'=>'math', 'setName'=>'Mathematics') , | |
| array('setSpec'=>'phys', 'setName'=>'Physics'), | |
| array('setSpec'=>'phdthesis', 'setName'=>'PHD Thesis', | |
| 'setDescription'=> | |
| '<oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" '. | |
| ' xmlns:dc="http://purl.org/dc/elements/1.1/" '. | |
| ' xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" '. | |
| ' xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ '. | |
| ' http://www.openarchives.org/OAI/2.0/oai_dc.xsd"> '. | |
| ' <dc:description>This set contains metadata describing '. | |
| ' electronic music recordings made during the 1950ies</dc:description> '. | |
| ' </oai_dc:dc>')); | |
| }, | |
| 'ListRecords' => | |
| function($metadataPrefix, $from = '', $until = '', $set = '', $count = false, $deliveredRecords = 0, $maxItems = 0) use ($example_record) { | |
| // throws new OAI2Exception('noRecordsMatch') | |
| // throws new OAI2Exception('noSetHierarchy') | |
| if ($count) { | |
| return 1; | |
| } | |
| return array($example_record); | |
| }, | |
| 'GetRecord' => | |
| function($identifier, $metadataPrefix) use ($example_record) { | |
| if ($identifier != 'a.b.c') { | |
| throw new OAI2Exception('idDoesNotExist', '', $identifier); | |
| } | |
| return $example_record; | |
| }, | |
| ) | |
| ); | |
| $response = $oai2->response(); | |
| if (isset($return)) { | |
| return $response; | |
| } else { | |
| $response->formatOutput = true; | |
| $response->preserveWhiteSpace = false; | |
| header('Content-Type: text/xml'); | |
| echo $response->saveXML(); | |
| } |
| - | Code Coverage |
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| - | Classes and Traits |
- Functions and Methods |
- Lines |
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| Total | -
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- 100.00% |
- 1 / 1 |
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- 100.00% |
- 2 / 2 |
- CRAP | -
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- 100.00% |
- 43 / 43 |
-
| OAI2Exception | -
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- 100.00% |
- 1 / 1 |
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- |
- 100.00% |
- 2 / 2 |
- 2 | -
-
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- |
- 100.00% |
- 43 / 43 |
-
| __construct($code = 0, $argument = '', $value = '') | -
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- 100.00% |
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- 1 | -
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- 100.00% |
- 42 / 42 |
- |||
| getOAI2Code() | -
-
-
- |
- 100.00% |
- 1 / 1 |
- 1 | -
-
-
- |
- 100.00% |
- 1 / 1 |
- |||
| <?php | |
| class OAI2Exception extends Exception { | |
| function __construct($code = 0, $argument = '', $value = '') { | |
| $this->errorTable = array( | |
| 'badArgument' => array( | |
| 'text' => "Attribute '{$argument}' is not allowed to appear in element 'request'.", | |
| ), | |
| 'badResumptionToken' => array( | |
| 'text' => "The resumptionToken '{$value}' does not exist or has already expired.", | |
| ), | |
| 'badGranularity' => array( | |
| 'text' => "The value '{$value}' of attribute '{$argument}' on element 'request' is not valid with respect to its type, 'UTCdatetimeType'.", | |
| 'code' => 'badArgument', | |
| ), | |
| 'badVerb' => array( | |
| 'text' => "Illegal OAI verb", | |
| 'code' => 'badVerb', | |
| ), | |
| 'cannotDisseminateFormat' => array( | |
| 'text' => "The metadata format '{$value}' given by {$argument} is not supported by this repository.", | |
| ), | |
| 'exclusiveArgument' => array( | |
| 'text' => 'The usage of resumptionToken as an argument allows no other arguments.', | |
| 'code' => 'badArgument', | |
| ), | |
| 'idDoesNotExist' => array( | |
| 'text' => "The value '{$value}' of the identifier does not exist in this repository.", | |
| ), | |
| 'missingArgument' => array( | |
| 'text' => "The required argument '{$argument}' is missing in the request.", | |
| 'code' => 'badArgument', | |
| ), | |
| 'noRecordsMatch' => array( | |
| 'text' => 'The combination of the given values results in an empty list.', | |
| ), | |
| 'noMetadataFormats' => array( | |
| 'text' => 'There are no metadata formats available for the specified item.', | |
| ), | |
| 'noSetHierarchy' => array( | |
| 'text' => 'This repository does not support sets.', | |
| ), | |
| 'sameArgument' => array( | |
| 'text' => 'Do not use the same argument more than once.', | |
| 'code' => 'badArgument', | |
| ), | |
| 'sameVerb' => array( | |
| 'text' => 'Do not use verb more than once.', | |
| 'code' => 'badVerb', | |
| ), | |
| 'notImp' => array( | |
| 'text' => 'Not yet implemented.', | |
| 'code' => 'debug', | |
| ), | |
| ''=> array( | |
| 'text' => "Unknown error: code: '{'code'}', argument: '{$argument}', value: '{$value}'", | |
| 'code' => 'badArgument', | |
| ) | |
| ); | |
| parent::__construct($this->errorTable[$code]['text']); | |
| $this->code = $code; | |
| } | |
| public function getOAI2Code() { | |
| return $this->code; | |
| } | |
| } |
| - | Code Coverage |
- |||||||||
| - | Classes and Traits |
- Functions and Methods |
- Lines |
- |||||||
| Total | -
-
-
- |
- 0.00% |
- 0 / 1 |
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-
-
- |
- 38.46% |
- 5 / 13 |
- CRAP | -
-
-
- |
- 58.55% |
- 137 / 234 |
-
| OAI2Server | -
-
-
- |
- 0.00% |
- 0 / 1 |
-
-
-
- |
- 38.46% |
- 5 / 13 |
- 522.67 | -
-
-
- |
- 58.19% |
- 135 / 232 |
-
| __construct($uri, $args, $identifyResponse, $callbacks) | -
-
-
- |
- 100.00% |
- 1 / 1 |
- 4 | -
-
-
- |
- 100.00% |
- 19 / 19 |
- |||
| response() | -
-
-
- |
- 100.00% |
- 1 / 1 |
- 3 | -
-
-
- |
- 100.00% |
- 9 / 9 |
- |||
| Identify() | -
-
-
- |
- 0.00% |
- 0 / 1 |
- 5.40 | -
-
-
- |
- 55.56% |
- 5 / 9 |
- |||
| ListMetadataFormats() | -
-
-
- |
- 0.00% |
- 0 / 1 |
- 9.80 | -
-
-
- |
- 69.57% |
- 16 / 23 |
- |||
| ListSets() | -
-
-
- |
- 0.00% |
- 0 / 1 |
- 11.69 | -
-
-
- |
- 67.86% |
- 19 / 28 |
- |||
| GetRecord() | -
-
-
- |
- 0.00% |
- 0 / 1 |
- 16.96 | -
-
-
- |
- 63.33% |
- 19 / 30 |
- |||
| ListIdentifiers() | -
-
-
- |
- 100.00% |
- 1 / 1 |
- 1 | -
-
-
- |
- 100.00% |
- 1 / 1 |
- |||
| ListRecords() | -
-
-
- |
- 0.00% |
- 0 / 1 |
- 121.82 | -
-
-
- |
- 49.33% |
- 37 / 75 |
- |||
| add_metadata($cur_record, $record) | -
-
-
- |
- 100.00% |
- 1 / 1 |
- 3 | -
-
-
- |
- 100.00% |
- 9 / 9 |
- |||
| createResumptionToken($delivered_records) | -
-
-
- |
- 0.00% |
- 0 / 1 |
- 6 | -
-
-
- |
- 0.00% |
- 0 / 12 |
- |||
| readResumptionToken($resumptionToken) | -
-
-
- |
- 0.00% |
- 0 / 1 |
- 6 | -
-
-
- |
- 0.00% |
- 0 / 10 |
- |||
| formatDatestamp($datestamp) | -
-
-
- |
- 100.00% |
- 1 / 1 |
- 1 | -
-
-
- |
- 100.00% |
- 1 / 1 |
- |||
| checkDateFormat($date) | -
-
-
- |
- 0.00% |
- 0 / 1 |
- 12 | -
-
-
- |
- 0.00% |
- 0 / 6 |
- |||
| <?php | |
| require_once('oai2exception.php'); | |
| require_once('oai2xml.php'); | |
| /** | |
| * This is an implementation of OAI Data Provider version 2.0. | |
| * @see http://www.openarchives.org/OAI/2.0/openarchivesprotocol.htm | |
| */ | |
| class OAI2Server { | |
| public $errors = array(); | |
| private $args = array(); | |
| private $verb = ''; | |
| private $token_prefix = '/tmp/oai_pmh-'; | |
| private $token_valid = 86400; | |
| function __construct($uri, $args, $identifyResponse, $callbacks) { | |
| $this->uri = $uri; | |
| if (!isset($args['verb']) || empty($args['verb'])) { | |
| $this->errors[] = new OAI2Exception('badVerb'); | |
| } else { | |
| $verbs = array('Identify', 'ListMetadataFormats', 'ListSets', 'ListIdentifiers', 'ListRecords', 'GetRecord'); | |
| if (in_array($args['verb'], $verbs)) { | |
| $this->verb = $args['verb']; | |
| unset($args['verb']); | |
| $this->args = $args; | |
| $this->identifyResponse = $identifyResponse; | |
| $this->listMetadataFormatsCallback = $callbacks['ListMetadataFormats']; | |
| $this->listSetsCallback = $callbacks['ListSets']; | |
| $this->listRecordsCallback = $callbacks['ListRecords']; | |
| $this->getRecordCallback = $callbacks['GetRecord']; | |
| $this->response = new OAI2XMLResponse($this->uri, $this->verb, $this->args); | |
| call_user_func(array($this, $this->verb)); | |
| } else { | |
| $this->errors[] = new OAI2Exception('badVerb', $args['verb']); | |
| } | |
| } | |
| } | |
| public function response() { | |
| if (empty($this->errors)) { | |
| return $this->response->doc; | |
| } else { | |
| $errorResponse = new OAI2XMLResponse($this->uri, $this->verb, $this->args); | |
| $oai_node = $errorResponse->doc->documentElement; | |
| foreach($this->errors as $e) { | |
| $node = $errorResponse->addChild($oai_node,"error",$e->getMessage()); | |
| $node->setAttribute("code",$e->getOAI2Code()); | |
| } | |
| return $errorResponse->doc; | |
| } | |
| } | |
| public function Identify() { | |
| if (count($this->args) > 0) { | |
| foreach($this->args as $key => $val) { | |
| $this->errors[] = new OAI2Exception('badArgument', $key, $val); | |
| } | |
| } else { | |
| foreach($this->identifyResponse as $key => $val) { | |
| $this->response->addToVerbNode($key, $val); | |
| } | |
| } | |
| } | |
| public function ListMetadataFormats() { | |
| foreach ($this->args as $argument => $value) { | |
| if ($argument != 'identifier') { | |
| $this->errors[] = new OAI2Exception('badArgument', $argument, $value); | |
| } | |
| } | |
| if (isset($this->args['identifier'])) { | |
| $identifier = $this->args['identifier']; | |
| } else { | |
| $identifier = ''; | |
| } | |
| if (empty($this->errors)) { | |
| try { | |
| if ($formats = call_user_func($this->listMetadataFormatsCallback, $identifier)) { | |
| foreach($formats as $key => $val) { | |
| $cmf = $this->response->addToVerbNode("metadataFormat"); | |
| $this->response->addChild($cmf,'metadataPrefix',$key); | |
| $this->response->addChild($cmf,'schema',$val['schema']); | |
| $this->response->addChild($cmf,'metadataNamespace',$val['metadataNamespace']); | |
| } | |
| } else { | |
| $this->errors[] = new OAI2Exception('noMetadataFormats'); | |
| } | |
| } catch (OAI2Exception $e) { | |
| $this->errors[] = $e; | |
| } | |
| } | |
| } | |
| public function ListSets() { | |
| if (isset($this->args['resumptionToken'])) { | |
| if (count($this->args) > 1) { | |
| $this->errors[] = new OAI2Exception('exclusiveArgument'); | |
| } else { | |
| if ((int)$val+$this->token_valid < time()) { | |
| $this->errors[] = new OAI2Exception('badResumptionToken'); | |
| } | |
| } | |
| $resumptionToken = $this->args['resumptionToken']; | |
| } else { | |
| $resumptionToken = null; | |
| } | |
| if (empty($this->errors)) { | |
| if ($sets = call_user_func($this->listSetsCallback, $resumptionToken)) { | |
| foreach($sets as $set) { | |
| $setNode = $this->response->addToVerbNode("set"); | |
| foreach($set as $key => $val) { | |
| if($key=='setDescription') { | |
| $desNode = $this->response->addChild($setNode,$key); | |
| $des = $this->response->doc->createDocumentFragment(); | |
| $des->appendXML($val); | |
| $desNode->appendChild($des); | |
| } else { | |
| $this->response->addChild($setNode,$key,$val); | |
| } | |
| } | |
| } | |
| } else { | |
| $this->errors[] = new OAI2Exception('noSetHierarchy'); | |
| } | |
| } | |
| } | |
| public function GetRecord() { | |
| if (!isset($this->args['metadataPrefix'])) { | |
| $this->errors[] = new OAI2Exception('missingArgument', 'metadataPrefix'); | |
| } else { | |
| $metadataFormats = call_user_func($this->listMetadataFormatsCallback); | |
| if (!isset($metadataFormats[$this->args['metadataPrefix']])) { | |
| $this->errors[] = new OAI2Exception('cannotDisseminateFormat', 'metadataPrefix', $this->args['metadataPrefix']); | |
| } | |
| } | |
| if (!isset($this->args['identifier'])) { | |
| $this->errors[] = new OAI2Exception('missingArgument', 'identifier'); | |
| } | |
| if (empty($this->errors)) { | |
| try { | |
| if ($record = call_user_func($this->getRecordCallback, $this->args['identifier'], $this->args['metadataPrefix'])) { | |
| $identifier = $record['identifier']; | |
| $datestamp = $this->formatDatestamp($record['datestamp']); | |
| $set = $record['set']; | |
| $status_deleted = (isset($record['deleted']) && ($record['deleted'] == 'true') && | |
| (($this->identifyResponse['deletedRecord'] == 'transient') || | |
| ($this->identifyResponse['deletedRecord'] == 'persistent'))); | |
| $cur_record = $this->response->addToVerbNode('record'); | |
| $cur_header = $this->response->createHeader($identifier, $datestamp, $set, $cur_record); | |
| if ($status_deleted) { | |
| $cur_header->setAttribute("status","deleted"); | |
| } else { | |
| $this->add_metadata($cur_record, $record); | |
| } | |
| } else { | |
| $this->errors[] = new OAI2Exception('idDoesNotExist', 'identifier', $identifier); | |
| } | |
| } catch (OAI2Exception $e) { | |
| $this->errors[] = $e; | |
| } | |
| } | |
| } | |
| public function ListIdentifiers() { | |
| return $this->ListRecords(); | |
| } | |
| public function ListRecords() { | |
| $maxItems = 1000; | |
| $deliveredRecords = 0; | |
| $metadataPrefix = $this->args['metadataPrefix']; | |
| $from = isset($this->args['from']) ? $this->args['from'] : ''; | |
| $until = isset($this->args['until']) ? $this->args['until'] : ''; | |
| $set = isset($this->args['set']) ? $this->args['set'] : ''; | |
| if (isset($this->args['resumptionToken'])) { | |
| if (count($this->args) > 1) { | |
| $this->errors[] = new OAI2Exception('exclusiveArgument'); | |
| } else { | |
| if ((int)$val+$this->token_valid < time()) { | |
| $this->errors[] = new OAI2Exception('badResumptionToken'); | |
| } else { | |
| if (!file_exists($this->token_prefix.$this->args['resumptionToken'])) { | |
| $this->errors[] = new OAI2Exception('badResumptionToken', '', $this->args['resumptionToken']); | |
| } else { | |
| if ($readings = $this->readResumptionToken($this->token_prefix.$this->args['resumptionToken'])) { | |
| list($deliveredRecords, $metadataPrefix, $from, $until, $set) = $readings; | |
| } else { | |
| $this->errors[] = new OAI2Exception('badResumptionToken', '', $this->args['resumptionToken']); | |
| } | |
| } | |
| } | |
| } | |
| } else { | |
| if (!isset($this->args['metadataPrefix'])) { | |
| $this->errors[] = new OAI2Exception('missingArgument', 'metadataPrefix'); | |
| } else { | |
| $metadataFormats = call_user_func($this->listMetadataFormatsCallback); | |
| if (!isset($metadataFormats[$this->args['metadataPrefix']])) { | |
| $this->errors[] = new OAI2Exception('cannotDisseminateFormat', 'metadataPrefix', $this->args['metadataPrefix']); | |
| } | |
| } | |
| if (isset($this->args['from'])) { | |
| if(!$this->checkDateFormat($this->args['from'])) { | |
| $this->errors[] = new OAI2Exception('badGranularity', 'from', $this->args['from']); | |
| } | |
| } | |
| if (isset($this->args['until'])) { | |
| if(!$this->checkDateFormat($this->args['until'])) { | |
| $this->errors[] = new OAI2Exception('badGranularity', 'until', $this->args['until']); | |
| } | |
| } | |
| } | |
| if (empty($this->errors)) { | |
| try { | |
| $records_count = call_user_func($this->listRecordsCallback, $metadataPrefix, $from, $until, $set, true); | |
| $records = call_user_func($this->listRecordsCallback, $metadataPrefix, $from, $until, $set, false, $deliveredRecords, $maxItems); | |
| foreach ($records as $record) { | |
| $identifier = $record['identifier']; | |
| $datestamp = $this->formatDatestamp($record['datestamp']); | |
| $setspec = $record['set']; | |
| $status_deleted = (isset($record['deleted']) && ($record['deleted'] === true) && | |
| (($this->identifyResponse['deletedRecord'] == 'transient') || | |
| ($this->identifyResponse['deletedRecord'] == 'persistent'))); | |
| if($this->verb == 'ListRecords') { | |
| $cur_record = $this->response->addToVerbNode('record'); | |
| $cur_header = $this->response->createHeader($identifier, $datestamp,$setspec,$cur_record); | |
| if (!$status_deleted) { | |
| $this->add_metadata($cur_record, $record); | |
| } | |
| } else { // for ListIdentifiers, only identifiers will be returned. | |
| $cur_header = $this->response->createHeader($identifier, $datestamp,$setspec); | |
| } | |
| if ($status_deleted) { | |
| $cur_header->setAttribute("status","deleted"); | |
| } | |
| } | |
| // Will we need a new ResumptionToken? | |
| if ($records_count - $deliveredRecords > $maxItems) { | |
| $deliveredRecords += $maxItems; | |
| $restoken = $this->createResumptionToken($deliveredRecords); | |
| $expirationDatetime = gmstrftime('%Y-%m-%dT%TZ', time()+$this->token_valid); | |
| } elseif (isset($args['resumptionToken'])) { | |
| // Last delivery, return empty ResumptionToken | |
| $restoken = null; | |
| $expirationDatetime = null; | |
| } | |
| if (isset($restoken)) { | |
| $this->response->createResumptionToken($restoken,$expirationDatetime,$records_count,$deliveredRecords); | |
| } | |
| } catch (OAI2Exception $e) { | |
| $this->errors[] = $e; | |
| } | |
| } | |
| } | |
| private function add_metadata($cur_record, $record) { | |
| $meta_node = $this->response->addChild($cur_record ,"metadata"); | |
| $schema_node = $this->response->addChild($meta_node, $record['metadata']['container_name']); | |
| foreach ($record['metadata']['container_attributes'] as $name => $value) { | |
| $schema_node->setAttribute($name, $value); | |
| } | |
| foreach ($record['metadata']['fields'] as $name => $value) { | |
| $this->response->addChild($schema_node, $name, $value); | |
| } | |
| } | |
| private function createResumptionToken($delivered_records) { | |
| list($usec, $sec) = explode(" ", microtime()); | |
| $token = ((int)($usec*1000) + (int)($sec*1000)); | |
| $fp = fopen ($this->token_prefix.$token, 'w'); | |
| if($fp==false) { | |
| exit("Cannot write. Writer permission needs to be changed."); | |
| } | |
| fputs($fp, "$delivered_records#"); | |
| fputs($fp, "$metadataPrefix#"); | |
| fputs($fp, "{$this->args['from']}#"); | |
| fputs($fp, "{$this->args['until']}#"); | |
| fputs($fp, "{$this->args['set']}#"); | |
| fclose($fp); | |
| return $token; | |
| } | |
| private function readResumptionToken($resumptionToken) { | |
| $rtVal = false; | |
| $fp = fopen($resumptionToken, 'r'); | |
| if ($fp != false) { | |
| $filetext = fgets($fp, 255); | |
| $textparts = explode('#', $filetext); | |
| fclose($fp); | |
| unlink($resumptionToken); | |
| $rtVal = array_values($textparts); | |
| } | |
| return $rtVal; | |
| } | |
| /** | |
| * All datestamps used in this system are GMT even | |
| * return value from database has no TZ information | |
| */ | |
| private function formatDatestamp($datestamp) { | |
| return date("Y-m-d\TH:i:s\Z",strtotime($datestamp)); | |
| } | |
| /** | |
| * The database uses datastamp without time-zone information. | |
| * It needs to clean all time-zone informaion from time string and reformat it | |
| */ | |
| private function checkDateFormat($date) { | |
| $date = str_replace(array("T","Z")," ",$date); | |
| $time_val = strtotime($date); | |
| if(!$time_val) return false; | |
| if(strstr($date,":")) { | |
| return date("Y-m-d H:i:s",$time_val); | |
| } else { | |
| return date("Y-m-d",$time_val); | |
| } | |
| } | |
| } |
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| <?php | |
| class OAI2XMLResponse { | |
| public $doc; // DOMDocument. Handle of current XML Document object | |
| function __construct($uri, $verb, $request_args) { | |
| $this->verb = $verb; | |
| $this->doc = new DOMDocument("1.0","UTF-8"); | |
| $oai_node = $this->doc->createElement("OAI-PMH"); | |
| $oai_node->setAttribute("xmlns","http://www.openarchives.org/OAI/2.0/"); | |
| $oai_node->setAttribute("xmlns:xsi","http://www.w3.org/2001/XMLSchema-instance"); | |
| $oai_node->setAttribute("xsi:schemaLocation","http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"); | |
| $this->addChild($oai_node,"responseDate",gmdate("Y-m-d\TH:i:s\Z")); | |
| $this->doc->appendChild($oai_node); | |
| $request = $this->addChild($this->doc->documentElement,"request",$uri); | |
| $request->setAttribute('verb', $this->verb); | |
| foreach($request_args as $key => $value) { | |
| $request->setAttribute($key,$value); | |
| } | |
| if (!empty($this->verb)) { | |
| $this->verbNode = $this->addChild($this->doc->documentElement,$this->verb); | |
| } | |
| } | |
| /** | |
| * Add a child node to a parent node on a XML Doc: a worker function. | |
| * | |
| * @param $mom_node Type: DOMNode. The target node. | |
| * @param $name Type: string. The name of child nade is being added | |
| * @param $value Type: string. Text for the adding node if it is a text node. | |
| * | |
| * @return DOMElement $added_node * The newly created node | |
| */ | |
| function addChild($mom_node,$name, $value='') { | |
| $added_node = $this->doc->createElement($name,$value); | |
| $added_node = $mom_node->appendChild($added_node); | |
| return $added_node; | |
| } | |
| /** | |
| * Add direct child nodes to verb node (OAI-PMH), e.g. response to ListMetadataFormats. | |
| * Different verbs can have different required child nodes. | |
| * \see create_record, create_header | |
| * | |
| * \param $nodeName Type: string. The name of appending node. | |
| * \param $value Type: string. The content of appending node. | |
| */ | |
| function addToVerbNode($nodeName, $value=null) { | |
| return $this->addChild($this->verbNode,$nodeName,$value); | |
| } | |
| /** | |
| * Headers are enclosed inside of \<record\> to the query of ListRecords, ListIdentifiers and etc. | |
| * | |
| * \param $identifier Type: string. The identifier string for node \<identifier\>. | |
| * \param $timestamp Type: timestamp. Timestapme in UTC format for node \<datastamp\>. | |
| * \param $ands_class Type: mix. Can be an array or just a string. Content of \<setSpec\>. | |
| * \param $add_to_node Type: DOMElement. Default value is null. | |
| * In normal cases, $add_to_node is the \<record\> node created previously. When it is null, the newly created header node is attatched to $this->verbNode. | |
| * Otherwise it will be attatched to the desired node defined in $add_to_node. | |
| */ | |
| function createHeader($identifier,$timestamp,$ands_class, $add_to_node=null) { | |
| if(is_null($add_to_node)) { | |
| $header_node = $this->addToVerbNode("header"); | |
| } else { | |
| $header_node = $this->addChild($add_to_node,"header"); | |
| } | |
| $this->addChild($header_node,"identifier",$identifier); | |
| $this->addChild($header_node,"datestamp",$timestamp); | |
| if (is_array($ands_class)) { | |
| foreach ($ands_class as $setspec) { | |
| $this->addChild($header_node,"setSpec",$setspec); | |
| } | |
| } else { | |
| $this->addChild($header_node,"setSpec",$ands_class); | |
| } | |
| return $header_node; | |
| } | |
| /** | |
| * If there are too many records request could not finished a resumpToken is generated to let harvester know | |
| * | |
| * @param $token Type: string. A random number created somewhere? | |
| * @param $expirationdatetime Type: string. A string representing time. | |
| * @param $num_rows Type: integer. Number of records retrieved. | |
| * @param $cursor Type: string. Cursor can be used for database to retrieve next time. | |
| */ | |
| function createResumptionToken($token, $expirationdatetime, $num_rows, $cursor=null) { | |
| $resump_node = $this->addChild($this->verbNode,"resumptionToken",$token); | |
| if(isset($expirationdatetime)) { | |
| $resump_node->setAttribute("expirationDate",$expirationdatetime); | |
| } | |
| $resump_node->setAttribute("completeListSize",$num_rows); | |
| $resump_node->setAttribute("cursor",$cursor); | |
| } | |
| } |