WebController::invokeGenericErrorPage() - Code Metrics - NatLibFi/Skosmos - Measure and Improve Code Quality continuously with Scrutinizer

WebController::invokeGenericErrorPage() A
last analyzed 2025-10-29 14:21 UTC

↳ Parent: WebController

Complexity

Conditions	1
Paths	1

Size

Total Lines	12
Code Lines	10

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	1
eloc	10
nc	1
nop	2
dl	0
loc	12
rs	9.9332
c	0
b	0
f	0

<?php

/**
 * Importing the dependencies.
 */
use Punic\Language;
use Symfony\Bridge\Twig\Extension\TranslationExtension;

/**
 * WebController is an extension of the Controller that handles all
 * the requests originating from the view of the website.
 */
class WebController extends Controller
{
    /**
     * Provides access to the templating engine.
     * @property object $twig the twig templating engine.
     */
    public $twig;
    public $honeypot;
    public $translator;

    /**
     * Constructor for the WebController.
     * @param Model $model
     */
    public function __construct($model)
    {
        parent::__construct($model);

        // initialize Twig templates
        $tmpDir = $model->getConfig()->getTemplateCache();

        // check if the cache pointed by config.ttl exists, if not we create it.
        if (!file_exists($tmpDir)) {
            mkdir($tmpDir);
        }

        // specify where to look for templates and cache
        $loader = new \Twig\Loader\FilesystemLoader(__DIR__ . '/../view');
        // initialize Twig environment
        $this->twig = new \Twig\Environment($loader, array('cache' => $tmpDir,'auto_reload' => true));
        // used for setting the base href for the relative urls
        $this->twig->addGlobal("BaseHref", $this->getBaseHref());

        // pass the GlobalConfig object to templates so they can access configuration
        $this->twig->addGlobal("GlobalConfig", $this->model->getConfig());

        // setting the list of properties to be displayed in the search results
        $this->twig->addGlobal("PreferredProperties", array('skos:prefLabel', 'skos:narrower', 'skos:broader', 'skosmos:memberOf', 'skos:altLabel', 'skos:related'));

        // register a Twig filter for generating URLs for global pages (landing, about, feedback, vocab-home..)
        $this->twig->addExtension(new GlobalUrlExtension());

        // register a Twig filter for generating URLs for vocabulary resources (concepts and groups)
        $this->twig->addExtension(new LinkUrlExtension($model));

        // register a Twig filter for generating strings from language codes with CLDR
        $langFilter = new \Twig\TwigFilter('lang_name', function ($langcode, $lang) {
            return Language::getName($langcode, $lang);
        });
        $this->twig->addFilter($langFilter);

        $this->translator = $model->getTranslator();
        $this->twig->addExtension(new TranslationExtension($this->translator));

        // create the honeypot
        $this->honeypot = new \Honeypot();
        if (!$this->model->getConfig()->getHoneypotEnabled()) {
            $this->honeypot->disable();
        }
        $this->twig->addGlobal('honeypot', $this->honeypot);
    }

    /**
     * Guess the language of the user. Return a language string that is one
     * of the supported languages defined in the $LANGUAGES setting, e.g. "fi".
     * @param Request $request HTTP request
     * @param string $vocid identifier for the vocabulary eg. 'yso'.
     * @return string returns the language choice as a numeric string value
     */
    public function guessLanguage($request, $vocid = null)
    {
        // 1. select language based on SKOSMOS_LANGUAGE cookie
        $languageCookie = $request->getCookie('SKOSMOS_LANGUAGE');
        if ($languageCookie) {
            return $languageCookie;
        }

        // 2. if vocabulary given, select based on the default language of the vocabulary
        if ($vocid !== null && $vocid !== '') {
            try {
                $vocab = $this->model->getVocabulary($vocid);
                return $vocab->getConfig()->getDefaultLanguage();
            } catch (Exception $e) {
                // vocabulary id not found, move on to the next selection method
            }
        }

        // 3. select language based on Accept-Language header
        header('Vary: Accept-Language'); // inform caches that a decision was made based on Accept header
        $this->negotiator = new \Negotiation\LanguageNegotiator();
        $langcodes = array_keys($this->languages);
        // using a random language from the configured UI languages when there is no accept language header set
        $acceptLanguage = $request->getServerConstant('HTTP_ACCEPT_LANGUAGE') ? $request->getServerConstant('HTTP_ACCEPT_LANGUAGE') : $langcodes[0];

        $bestLang = $this->negotiator->getBest($acceptLanguage, $langcodes);
        if (isset($bestLang) && in_array($bestLang->getValue(), $langcodes)) {
            return $bestLang->getValue();
        }

        // show default site or prompt for language
        return $langcodes[0];
    }

    /**
     * Determines a css class that controls width and positioning of the vocabulary list element.
     * The layout is wider if the left/right box templates have not been provided.
     * @return string css class for the container eg. 'voclist-wide' or 'voclist-right'
     */
    private function listStyle()
    {
        $left = file_exists('view/left.inc');
        $right = file_exists('view/right.inc');
        $ret = 'voclist';
        if (!$left && !$right) {
            $ret .= '-wide';
        } elseif (!($left && $right) && ($right || $left)) {
            $ret .= ($right) ? '-left' : '-right';
        }
        return $ret;
    }

    /**
     * Loads and renders the landing page view.
     * @param Request $request
     */
    public function invokeLandingPage($request)
    {
        $this->model->setLocale($request->getLang());
        // load template
        $template = $this->twig->load('landing.twig');
        // set template variables
        $categoryLabel = $this->model->getClassificationLabel($request->getLang());
        $sortedVocabs = $this->model->getVocabularyList(false, true);
        $langList = $this->model->getLanguages($request->getLang());
        $listStyle = $this->listStyle();

        // render template
        echo $template->render(
            array(
                'sorted_vocabs' => $sortedVocabs,
                'category_label' => $categoryLabel,
                'languages' => $this->languages,
                'lang_list' => $langList,
                'request' => $request,
                'list_style' => $listStyle
            )
        );
    }

    /**
     * Invokes the concept page of a single concept in a specific vocabulary.
     *
     * @param Request $request
     */
    public function invokeVocabularyConcept(Request $request)
    {
        $lang = $request->getLang();

        $this->model->setLocale($request->getLang());
        $vocab = $request->getVocab();

        $langcodes = $vocab->getConfig()->getShowLangCodes();
        $uri = $vocab->getConceptURI($request->getUri()); // make sure it's a full URI

        $concept = $vocab->getConceptInfo($uri, $request->getContentLang());
        if (empty($concept)) {
            $this->invokeGenericErrorPage($request);
            return;
        }
        if ($this->notModified($concept)) {
            return;
        }
        $customLabels = $vocab->getConfig()->getPropertyLabelOverrides();

        $pluginParameters = json_encode($vocab->getConfig()->getPluginParameters());
        $template = $this->twig->load('concept.twig');

        $crumbs = $vocab->getBreadCrumbs($request->getContentLang(), $uri);
        echo $template->render(
            array(
            'concept' => $concept,
            'vocab' => $vocab,
            'concept_uri' => $uri,
            'languages' => $this->languages,
            'explicit_langcodes' => $langcodes,
            'visible_breadcrumbs' => $crumbs['breadcrumbs'],
            'hidden_breadcrumbs' => $crumbs['combined'],
            'request' => $request,
            'plugin_params' => $pluginParameters,
            'custom_labels' => $customLabels)
        );
    }

    /**
     * Invokes the feedback page with information of the users current vocabulary.
     */
    public function invokeFeedbackForm($request)
    {
        $template = $this->twig->load('feedback.twig');
        $this->model->setLocale($request->getLang());
        $vocabList = $this->model->getVocabularyList(false);
        $vocab = $request->getVocab();

        $feedbackSent = false;
        if ($request->getQueryParamPOST('message')) {
            $feedbackSent = true;
            $feedbackMsg = $request->getQueryParamPOST('message');
            $feedbackName = $request->getQueryParamPOST('name');
            $feedbackEmail = $request->getQueryParamPOST('email');
            $msgSubject = $request->getQueryParamPOST('msgsubject');
            $feedbackVocab = $request->getQueryParamPOST('vocab');
            $feedbackVocabEmail = ($feedbackVocab !== null && $feedbackVocab !== '') ?
                $this->model->getVocabulary($feedbackVocab)->getConfig()->getFeedbackRecipient() : null;
            // if the hidden field has been set a value we have found a spam bot
            // and we do not actually send the message.
            if ($this->honeypot->validateHoneypot($request->getQueryParamPOST('item-description')) &&
                $this->honeypot->validateHoneytime($request->getQueryParamPOST('user-captcha'), $this->model->getConfig()->getHoneypotTime())) {
                $this->sendFeedback($request, $feedbackMsg, $msgSubject, $feedbackName, $feedbackEmail, $feedbackVocab, $feedbackVocabEmail);
            }
        }
        echo $template->render(
            array(
                'languages' => $this->languages,
                'vocab' => $vocab,
                'vocabList' => $vocabList,
                'feedback_sent' => $feedbackSent,
                'request' => $request,
            )
        );
    }

    private function createFeedbackHeaders($fromName, $fromEmail, $toMail, $sender)
    {
        $headers = "MIME-Version: 1.0" . "\r\n";
        $headers .= "Content-type: text/html; charset=UTF-8" . "\r\n";
        if (!empty($toMail)) {
            $headers .= "Cc: " . $this->model->getConfig()->getFeedbackAddress() . "\r\n";
        }
        if (!empty($fromEmail)) {
            $headers .= "Reply-To: $fromName <$fromEmail>\r\n";
        }
        $service = $this->model->getConfig()->getServiceName();
        return $headers . "From: $fromName via $service <$sender>";
    }

    /**
     * Sends the user entered message through the php's mailer.
     * @param string $message content given by user.
     * @param string $messageSubject subject line given by user.
     * @param string $fromName senders own name.
     * @param string $fromEmail senders email address.
     * @param string $fromVocab which vocabulary is the feedback related to.
     */
    public function sendFeedback($request, $message, $messageSubject, $fromName = null, $fromEmail = null, $fromVocab = null, $toMail = null)
    {
        $toAddress = ($toMail) ? $toMail : $this->model->getConfig()->getFeedbackAddress();
        $messageSubject = "[" . $this->model->getConfig()->getServiceName() . "] " . $messageSubject;
        if ($fromVocab !== null && $fromVocab !== '') {
            $message = 'Feedback from vocab: ' . strtoupper($fromVocab) . "<br />" . $message;
        }
        $envelopeSender = $this->model->getConfig()->getFeedbackEnvelopeSender();
        // determine the sender address of the message
        $sender = $this->model->getConfig()->getFeedbackSender();
        if (empty($sender)) {
            $sender = $envelopeSender;
        }
        if (empty($sender)) {
            $sender = $this->model->getConfig()->getFeedbackAddress();
        }

        // determine sender name - default to "anonymous user" if not given by user
        if (empty($fromName)) {
            $fromName = "anonymous user";
        }
        $headers = $this->createFeedbackHeaders($fromName, $fromEmail, $toMail, $sender);
        $params = empty($envelopeSender) ? '' : "-f $envelopeSender";
        // adding some information about the user for debugging purposes.
        $message = $message . "<br /><br /> Debugging information:"
            . "<br />Timestamp: " . date(DATE_RFC2822)
            . "<br />User agent: " . $request->getServerConstant('HTTP_USER_AGENT')
            . "<br />Referer: " . $request->getServerConstant('HTTP_REFERER');

        try {
            mail($toAddress, $messageSubject, $message, $headers, $params);
        } catch (Exception $e) {
            header("HTTP/1.0 404 Not Found");
            $template = $this->twig->load('error.twig');
            if ($this->model->getConfig()->getLogCaughtExceptions()) {
                error_log('Caught exception: ' . $e->getMessage());
            }

            echo $template->render(
                array(
                    'languages' => $this->languages,
                )
            );

            return;
        }
    }

    /**
     * Invokes the about page for the Skosmos service.
     */
    public function invokeAboutPage($request)
    {
        $template = $this->twig->load('about.twig');
        $this->model->setLocale($request->getLang());
        $url = $request->getServerConstant('HTTP_HOST');

        echo $template->render(
            array(
                'languages' => $this->languages,
                'server_instance' => $url,
                'request' => $request,
            )
        );
    }

    /**
     * Invokes the search for concepts in all the available ontologies.
     */
    public function invokeGlobalSearch($request)
    {
        $lang = $request->getLang();
        $template = $this->twig->load('global-search.twig');
        $this->model->setLocale($request->getLang());

        $parameters = new ConceptSearchParameters($request, $this->model->getConfig());

        $vocabs = $request->getQueryParam('vocabs'); # optional
        // convert to vocids array to support multi-vocabulary search
        $vocids = ($vocabs !== null && $vocabs !== '') ? explode(' ', $vocabs) : null;
        $vocabObjects = array();
        if ($vocids) {
            foreach ($vocids as $vocid) {
                try {
                    $vocabObjects[] = $this->model->getVocabulary($vocid);
                } catch (ValueError $e) {
                    // fail fast with an error page if the vocabulary cannot be found
                    if ($this->model->getConfig()->getLogCaughtExceptions()) {
                        error_log('Caught exception: ' . $e->getMessage());
                    }
                    header("HTTP/1.0 400 Bad Request");
                    $this->invokeGenericErrorPage($request, $e->getMessage());
                    return;
                }
            }
        }
        $parameters->setVocabularies($vocabObjects);

        $counts = null;
        $searchResults = null;
        $errored = false;

        try {
            $countAndResults = $this->model->searchConceptsAndInfo($parameters);
            $counts = $countAndResults['count'];
            $searchResults = $countAndResults['results'];
        } catch (Exception $e) {
            $errored = true;
            header("HTTP/1.0 500 Internal Server Error");
            if ($this->model->getConfig()->getLogCaughtExceptions()) {
                error_log('Caught exception: ' . $e->getMessage());
            }
        }
        $vocabList = $this->model->getVocabularyList();
        $sortedVocabs = $this->model->getVocabularyList(false, true);
        $langList = $this->model->getLanguages($lang);

        echo $template->render(
            array(
                'search_count' => $counts,
                'languages' => $this->languages,
                'search_results' => $searchResults,
                'rest' => $parameters->getOffset() > 0,
                'global_search' => true,
                'search_failed' => $errored,
                'term' => $request->getQueryParamRaw('q'),
                'lang_list' => $langList,
                'vocabs' => isset($vocabs) ? str_replace(' ', '+', $vocabs) : null,
                'vocab_list' => $vocabList,
                'sorted_vocabs' => $sortedVocabs,
                'request' => $request,
                'parameters' => $parameters
            )
        );
    }

    /**
     * Invokes the search for a single vocabs concepts.
     */
    public function invokeVocabularySearch($request)
    {
        $template = $this->twig->load('vocab-search.twig');
        $this->model->setLocale($request->getLang());
        $vocab = $request->getVocab();
        $searchResults = null;
        try {
            $vocabTypes = $this->model->getTypes($request->getVocabid(), $request->getLang());
        } catch (Exception $e) {
            header("HTTP/1.0 500 Internal Server Error");
            if ($this->model->getConfig()->getLogCaughtExceptions()) {
                error_log('Caught exception: ' . $e->getMessage());
            }

            echo $template->render(
                array(
                    'languages' => $this->languages,
                    'vocab' => $vocab,
                    'request' => $request,
                    'search_results' => $searchResults
                )
            );

            return;
        }

        $langcodes = $vocab->getConfig()->getShowLangCodes();
        $parameters = new ConceptSearchParameters($request, $this->model->getConfig());

        try {
            $countAndResults = $this->model->searchConceptsAndInfo($parameters);
            $counts = $countAndResults['count'];
            $searchResults = $countAndResults['results'];
        } catch (Exception $e) {
            header("HTTP/1.0 404 Not Found");
            if ($this->model->getConfig()->getLogCaughtExceptions()) {
                error_log('Caught exception: ' . $e->getMessage());
            }

            echo $template->render(
                array(
                    'languages' => $this->languages,
                    'vocab' => $vocab,
                    'term' => $request->getQueryParam('q'),
                    'search_results' => $searchResults
                )
            );
            return;
        }
        echo $template->render(
            array(
                'languages' => $this->languages,
                'vocab' => $vocab,
                'search_results' => $searchResults,
                'search_count' => $counts,
                'rest' => $parameters->getOffset() > 0,
                'limit_parent' => $parameters->getParentLimit(),
                'limit_type' =>  $request->getQueryParam('type') ? explode('+', $request->getQueryParam('type')) : null,
                'limit_group' => $parameters->getGroupLimit(),
                'limit_scheme' =>  $request->getQueryParam('scheme') ? explode('+', $request->getQueryParam('scheme')) : null,
                'group_index' => $vocab->listConceptGroups($request->getContentLang()),
                'parameters' => $parameters,
                'term' => $request->getQueryParamRaw('q'),
                'types' => $vocabTypes,
                'explicit_langcodes' => $langcodes,
                'request' => $request,
            )
        );
    }

    /**
     * Loads and renders the view containing a specific vocabulary.
     */
    public function invokeVocabularyHome($request)
    {
        $lang = $request->getLang();

        $this->model->setLocale($request->getLang());
        $vocab = $request->getVocab();

        $defaultView = $vocab->getConfig()->getDefaultSidebarView();

        $pluginParameters = json_encode($vocab->getConfig()->getPluginParameters());

        $template = $this->twig->load('vocab-home.twig');

        echo $template->render(
            array(
                'languages' => $this->languages,
                'vocab' => $vocab,
                'search_letter' => 'A',
                'active_tab' => $defaultView,
                'request' => $request,
                'plugin_params' => $pluginParameters
            )
        );
    }

    /**
     * Invokes a very generic errorpage.
     */
    public function invokeGenericErrorPage($request, $message = null)
    {
        $this->model->setLocale($request->getLang());
        header("HTTP/1.0 404 Not Found");
        $template = $this->twig->load('error.twig');
        echo $template->render(
            array(
                'languages' => $this->languages,
                'request' => $request,
                'vocab' => $request->getVocab(),
                'message' => $message,
                'requested_page' => filter_input(INPUT_SERVER, 'REQUEST_URI', FILTER_SANITIZE_FULL_SPECIAL_CHARS),

            )
        );
    }
}


1			<?php
2
3			/**
4			* Importing the dependencies.
5			*/
6			use Punic\Language;
7			use Symfony\Bridge\Twig\Extension\TranslationExtension;
8
9			/**
10			* WebController is an extension of the Controller that handles all
11			* the requests originating from the view of the website.
12			*/
13			class WebController extends Controller
14			{
15			/**
16			* Provides access to the templating engine.
17			* @property object $twig the twig templating engine.
18			*/
19			public $twig;
20			public $honeypot;
21			public $translator;
22
23			/**
24			* Constructor for the WebController.
25			* @param Model $model
26			*/
27			public function __construct($model)
28			{
29			parent::__construct($model);
30
31			// initialize Twig templates
32			$tmpDir = $model->getConfig()->getTemplateCache();
33
34			// check if the cache pointed by config.ttl exists, if not we create it.
35			if (!file_exists($tmpDir)) {
36			mkdir($tmpDir);
37			}
38
39			// specify where to look for templates and cache
40			$loader = new \Twig\Loader\FilesystemLoader(__DIR__ . '/../view');
41			// initialize Twig environment
42			$this->twig = new \Twig\Environment($loader, array('cache' => $tmpDir,'auto_reload' => true));
43			// used for setting the base href for the relative urls
44			$this->twig->addGlobal("BaseHref", $this->getBaseHref());
45
46			// pass the GlobalConfig object to templates so they can access configuration
47			$this->twig->addGlobal("GlobalConfig", $this->model->getConfig());
48
49			// setting the list of properties to be displayed in the search results
50			$this->twig->addGlobal("PreferredProperties", array('skos:prefLabel', 'skos:narrower', 'skos:broader', 'skosmos:memberOf', 'skos:altLabel', 'skos:related'));
51
52			// register a Twig filter for generating URLs for global pages (landing, about, feedback, vocab-home..)
53			$this->twig->addExtension(new GlobalUrlExtension());
54
55			// register a Twig filter for generating URLs for vocabulary resources (concepts and groups)
56			$this->twig->addExtension(new LinkUrlExtension($model));
57
58			// register a Twig filter for generating strings from language codes with CLDR
59			$langFilter = new \Twig\TwigFilter('lang_name', function ($langcode, $lang) {
60			return Language::getName($langcode, $lang);
61			});
62			$this->twig->addFilter($langFilter);
63
64			$this->translator = $model->getTranslator();
65			$this->twig->addExtension(new TranslationExtension($this->translator));
66
67			// create the honeypot
68			$this->honeypot = new \Honeypot();
69			if (!$this->model->getConfig()->getHoneypotEnabled()) {
70			$this->honeypot->disable();
71			}
72			$this->twig->addGlobal('honeypot', $this->honeypot);
73			}
74
75			/**
76			* Guess the language of the user. Return a language string that is one
77			* of the supported languages defined in the $LANGUAGES setting, e.g. "fi".
78			* @param Request $request HTTP request
79			* @param string $vocid identifier for the vocabulary eg. 'yso'.
80			* @return string returns the language choice as a numeric string value
81			*/
82			public function guessLanguage($request, $vocid = null)
83			{
84			// 1. select language based on SKOSMOS_LANGUAGE cookie
85			$languageCookie = $request->getCookie('SKOSMOS_LANGUAGE');
86			if ($languageCookie) {
87			return $languageCookie;
88			}
89
90			// 2. if vocabulary given, select based on the default language of the vocabulary
91			if ($vocid !== null && $vocid !== '') {
92			try {
93			$vocab = $this->model->getVocabulary($vocid);
94			return $vocab->getConfig()->getDefaultLanguage();
95			} catch (Exception $e) {
96			// vocabulary id not found, move on to the next selection method
97			}
98			}
99
100			// 3. select language based on Accept-Language header
101			header('Vary: Accept-Language'); // inform caches that a decision was made based on Accept header
102			$this->negotiator = new \Negotiation\LanguageNegotiator();
103			$langcodes = array_keys($this->languages);
104			// using a random language from the configured UI languages when there is no accept language header set
105			$acceptLanguage = $request->getServerConstant('HTTP_ACCEPT_LANGUAGE') ? $request->getServerConstant('HTTP_ACCEPT_LANGUAGE') : $langcodes[0];
106
107			$bestLang = $this->negotiator->getBest($acceptLanguage, $langcodes);
108			if (isset($bestLang) && in_array($bestLang->getValue(), $langcodes)) {
109			return $bestLang->getValue();
110			}
111
112			// show default site or prompt for language
113			return $langcodes[0];
114			}
115
116			/**
117			* Determines a css class that controls width and positioning of the vocabulary list element.
118			* The layout is wider if the left/right box templates have not been provided.
119			* @return string css class for the container eg. 'voclist-wide' or 'voclist-right'
120			*/
121			private function listStyle()
122			{
123			$left = file_exists('view/left.inc');
124			$right = file_exists('view/right.inc');
125			$ret = 'voclist';
126			if (!$left && !$right) {
127			$ret .= '-wide';
128			} elseif (!($left && $right) && ($right \|\| $left)) {
129			$ret .= ($right) ? '-left' : '-right';
130			}
131			return $ret;
132			}
133
134			/**
135			* Loads and renders the landing page view.
136			* @param Request $request
137			*/
138			public function invokeLandingPage($request)
139			{
140			$this->model->setLocale($request->getLang());
141			// load template
142			$template = $this->twig->load('landing.twig');
143			// set template variables
144			$categoryLabel = $this->model->getClassificationLabel($request->getLang());
145			$sortedVocabs = $this->model->getVocabularyList(false, true);
146			$langList = $this->model->getLanguages($request->getLang());
147			$listStyle = $this->listStyle();
148
149			// render template
150			echo $template->render(
151			array(
152			'sorted_vocabs' => $sortedVocabs,
153			'category_label' => $categoryLabel,
154			'languages' => $this->languages,
155			'lang_list' => $langList,
156			'request' => $request,
157			'list_style' => $listStyle
158			)
159			);
160			}
161
162			/**
163			* Invokes the concept page of a single concept in a specific vocabulary.
164			*
165			* @param Request $request
166			*/
167			public function invokeVocabularyConcept(Request $request)
168			{
169			$lang = $request->getLang();
			0 ignored issues – show Unused Code introduced 2024-01-23 14:26 UTC by Report Bug Copy Issue Report The assignment to `$lang` is dead and can be removed. Loading history...
170			$this->model->setLocale($request->getLang());
171			$vocab = $request->getVocab();
172
173			$langcodes = $vocab->getConfig()->getShowLangCodes();
174			$uri = $vocab->getConceptURI($request->getUri()); // make sure it's a full URI
175
176			$concept = $vocab->getConceptInfo($uri, $request->getContentLang());
177			if (empty($concept)) {
178			$this->invokeGenericErrorPage($request);
179			return;
180			}
181			if ($this->notModified($concept)) {
182			return;
183			}
184			$customLabels = $vocab->getConfig()->getPropertyLabelOverrides();
185
186			$pluginParameters = json_encode($vocab->getConfig()->getPluginParameters());
187			$template = $this->twig->load('concept.twig');
188
189			$crumbs = $vocab->getBreadCrumbs($request->getContentLang(), $uri);
190			echo $template->render(
191			array(
192			'concept' => $concept,
193			'vocab' => $vocab,
194			'concept_uri' => $uri,
195			'languages' => $this->languages,
196			'explicit_langcodes' => $langcodes,
197			'visible_breadcrumbs' => $crumbs['breadcrumbs'],
198			'hidden_breadcrumbs' => $crumbs['combined'],
199			'request' => $request,
200			'plugin_params' => $pluginParameters,
201			'custom_labels' => $customLabels)
202			);
203			}
204
205			/**
206			* Invokes the feedback page with information of the users current vocabulary.
207			*/
208			public function invokeFeedbackForm($request)
209			{
210			$template = $this->twig->load('feedback.twig');
211			$this->model->setLocale($request->getLang());
212			$vocabList = $this->model->getVocabularyList(false);
213			$vocab = $request->getVocab();
214
215			$feedbackSent = false;
216			if ($request->getQueryParamPOST('message')) {
217			$feedbackSent = true;
218			$feedbackMsg = $request->getQueryParamPOST('message');
219			$feedbackName = $request->getQueryParamPOST('name');
220			$feedbackEmail = $request->getQueryParamPOST('email');
221			$msgSubject = $request->getQueryParamPOST('msgsubject');
222			$feedbackVocab = $request->getQueryParamPOST('vocab');
223			$feedbackVocabEmail = ($feedbackVocab !== null && $feedbackVocab !== '') ?
224			$this->model->getVocabulary($feedbackVocab)->getConfig()->getFeedbackRecipient() : null;
225			// if the hidden field has been set a value we have found a spam bot
226			// and we do not actually send the message.
227			if ($this->honeypot->validateHoneypot($request->getQueryParamPOST('item-description')) &&
228			$this->honeypot->validateHoneytime($request->getQueryParamPOST('user-captcha'), $this->model->getConfig()->getHoneypotTime())) {
229			$this->sendFeedback($request, $feedbackMsg, $msgSubject, $feedbackName, $feedbackEmail, $feedbackVocab, $feedbackVocabEmail);
230			}
231			}
232			echo $template->render(
233			array(
234			'languages' => $this->languages,
235			'vocab' => $vocab,
236			'vocabList' => $vocabList,
237			'feedback_sent' => $feedbackSent,
238			'request' => $request,
239			)
240			);
241			}
242
243			private function createFeedbackHeaders($fromName, $fromEmail, $toMail, $sender)
244			{
245			$headers = "MIME-Version: 1.0" . "\r\n";
246			$headers .= "Content-type: text/html; charset=UTF-8" . "\r\n";
247			if (!empty($toMail)) {
248			$headers .= "Cc: " . $this->model->getConfig()->getFeedbackAddress() . "\r\n";
249			}
250			if (!empty($fromEmail)) {
251			$headers .= "Reply-To: $fromName <$fromEmail>\r\n";
252			}
253			$service = $this->model->getConfig()->getServiceName();
254			return $headers . "From: $fromName via $service <$sender>";
255			}
256
257			/**
258			* Sends the user entered message through the php's mailer.
259			* @param string $message content given by user.
260			* @param string $messageSubject subject line given by user.
261			* @param string $fromName senders own name.
262			* @param string $fromEmail senders email address.
263			* @param string $fromVocab which vocabulary is the feedback related to.
264			*/
265			public function sendFeedback($request, $message, $messageSubject, $fromName = null, $fromEmail = null, $fromVocab = null, $toMail = null)
266			{
267			$toAddress = ($toMail) ? $toMail : $this->model->getConfig()->getFeedbackAddress();
268			$messageSubject = "[" . $this->model->getConfig()->getServiceName() . "] " . $messageSubject;
269			if ($fromVocab !== null && $fromVocab !== '') {
270			$message = 'Feedback from vocab: ' . strtoupper($fromVocab) . "<br />" . $message;
271			}
272			$envelopeSender = $this->model->getConfig()->getFeedbackEnvelopeSender();
273			// determine the sender address of the message
274			$sender = $this->model->getConfig()->getFeedbackSender();
275			if (empty($sender)) {
276			$sender = $envelopeSender;
277			}
278			if (empty($sender)) {
279			$sender = $this->model->getConfig()->getFeedbackAddress();
280			}
281
282			// determine sender name - default to "anonymous user" if not given by user
283			if (empty($fromName)) {
284			$fromName = "anonymous user";
285			}
286			$headers = $this->createFeedbackHeaders($fromName, $fromEmail, $toMail, $sender);
287			$params = empty($envelopeSender) ? '' : "-f $envelopeSender";
288			// adding some information about the user for debugging purposes.
289			$message = $message . "<br /><br /> Debugging information:"
290			. "<br />Timestamp: " . date(DATE_RFC2822)
291			. "<br />User agent: " . $request->getServerConstant('HTTP_USER_AGENT')
292			. "<br />Referer: " . $request->getServerConstant('HTTP_REFERER');
293
294			try {
295			mail($toAddress, $messageSubject, $message, $headers, $params);
296			} catch (Exception $e) {
297			header("HTTP/1.0 404 Not Found");
298			$template = $this->twig->load('error.twig');
299			if ($this->model->getConfig()->getLogCaughtExceptions()) {
300			error_log('Caught exception: ' . $e->getMessage());
301			}
302
303			echo $template->render(
304			array(
305			'languages' => $this->languages,
306			)
307			);
308
309			return;
310			}
311			}
312
313			/**
314			* Invokes the about page for the Skosmos service.
315			*/
316			public function invokeAboutPage($request)
317			{
318			$template = $this->twig->load('about.twig');
319			$this->model->setLocale($request->getLang());
320			$url = $request->getServerConstant('HTTP_HOST');
321
322			echo $template->render(
323			array(
324			'languages' => $this->languages,
325			'server_instance' => $url,
326			'request' => $request,
327			)
328			);
329			}
330
331			/**
332			* Invokes the search for concepts in all the available ontologies.
333			*/
334			public function invokeGlobalSearch($request)
335			{
336			$lang = $request->getLang();
337			$template = $this->twig->load('global-search.twig');
338			$this->model->setLocale($request->getLang());
339
340			$parameters = new ConceptSearchParameters($request, $this->model->getConfig());
341
342			$vocabs = $request->getQueryParam('vocabs'); # optional
343			// convert to vocids array to support multi-vocabulary search
344			$vocids = ($vocabs !== null && $vocabs !== '') ? explode(' ', $vocabs) : null;
345			$vocabObjects = array();
346			if ($vocids) {
347			foreach ($vocids as $vocid) {
348			try {
349			$vocabObjects[] = $this->model->getVocabulary($vocid);
350			} catch (ValueError $e) {
351			// fail fast with an error page if the vocabulary cannot be found
352			if ($this->model->getConfig()->getLogCaughtExceptions()) {
353			error_log('Caught exception: ' . $e->getMessage());
354			}
355			header("HTTP/1.0 400 Bad Request");
356			$this->invokeGenericErrorPage($request, $e->getMessage());
357			return;
358			}
359			}
360			}
361			$parameters->setVocabularies($vocabObjects);
362
363			$counts = null;
364			$searchResults = null;
365			$errored = false;
366
367			try {
368			$countAndResults = $this->model->searchConceptsAndInfo($parameters);
369			$counts = $countAndResults['count'];
370			$searchResults = $countAndResults['results'];
371			} catch (Exception $e) {
372			$errored = true;
373			header("HTTP/1.0 500 Internal Server Error");
374			if ($this->model->getConfig()->getLogCaughtExceptions()) {
375			error_log('Caught exception: ' . $e->getMessage());
376			}
377			}
378			$vocabList = $this->model->getVocabularyList();
379			$sortedVocabs = $this->model->getVocabularyList(false, true);
380			$langList = $this->model->getLanguages($lang);
381
382			echo $template->render(
383			array(
384			'search_count' => $counts,
385			'languages' => $this->languages,
386			'search_results' => $searchResults,
387			'rest' => $parameters->getOffset() > 0,
388			'global_search' => true,
389			'search_failed' => $errored,
390			'term' => $request->getQueryParamRaw('q'),
391			'lang_list' => $langList,
392			'vocabs' => isset($vocabs) ? str_replace(' ', '+', $vocabs) : null,
393			'vocab_list' => $vocabList,
394			'sorted_vocabs' => $sortedVocabs,
395			'request' => $request,
396			'parameters' => $parameters
397			)
398			);
399			}
400
401			/**
402			* Invokes the search for a single vocabs concepts.
403			*/
404			public function invokeVocabularySearch($request)
405			{
406			$template = $this->twig->load('vocab-search.twig');
407			$this->model->setLocale($request->getLang());
408			$vocab = $request->getVocab();
409			$searchResults = null;
410			try {
411			$vocabTypes = $this->model->getTypes($request->getVocabid(), $request->getLang());
412			} catch (Exception $e) {
413			header("HTTP/1.0 500 Internal Server Error");
414			if ($this->model->getConfig()->getLogCaughtExceptions()) {
415			error_log('Caught exception: ' . $e->getMessage());
416			}
417
418			echo $template->render(
419			array(
420			'languages' => $this->languages,
421			'vocab' => $vocab,
422			'request' => $request,
423			'search_results' => $searchResults
424			)
425			);
426
427			return;
428			}
429
430			$langcodes = $vocab->getConfig()->getShowLangCodes();
431			$parameters = new ConceptSearchParameters($request, $this->model->getConfig());
432
433			try {
434			$countAndResults = $this->model->searchConceptsAndInfo($parameters);
435			$counts = $countAndResults['count'];
436			$searchResults = $countAndResults['results'];
437			} catch (Exception $e) {
438			header("HTTP/1.0 404 Not Found");
439			if ($this->model->getConfig()->getLogCaughtExceptions()) {
440			error_log('Caught exception: ' . $e->getMessage());
441			}
442
443			echo $template->render(
444			array(
445			'languages' => $this->languages,
446			'vocab' => $vocab,
447			'term' => $request->getQueryParam('q'),
448			'search_results' => $searchResults
449			)
450			);
451			return;
452			}
453			echo $template->render(
454			array(
455			'languages' => $this->languages,
456			'vocab' => $vocab,
457			'search_results' => $searchResults,
458			'search_count' => $counts,
459			'rest' => $parameters->getOffset() > 0,
460			'limit_parent' => $parameters->getParentLimit(),
461			'limit_type' => $request->getQueryParam('type') ? explode('+', $request->getQueryParam('type')) : null,
462			'limit_group' => $parameters->getGroupLimit(),
463			'limit_scheme' => $request->getQueryParam('scheme') ? explode('+', $request->getQueryParam('scheme')) : null,
464			'group_index' => $vocab->listConceptGroups($request->getContentLang()),
465			'parameters' => $parameters,
466			'term' => $request->getQueryParamRaw('q'),
467			'types' => $vocabTypes,
468			'explicit_langcodes' => $langcodes,
469			'request' => $request,
470			)
471			);
472			}
473
474			/**
475			* Loads and renders the view containing a specific vocabulary.
476			*/
477			public function invokeVocabularyHome($request)
478			{
479			$lang = $request->getLang();
			0 ignored issues – show Unused Code introduced 2024-01-23 14:26 UTC by Report Bug Copy Issue Report The assignment to `$lang` is dead and can be removed. Loading history...
480			$this->model->setLocale($request->getLang());
481			$vocab = $request->getVocab();
482
483			$defaultView = $vocab->getConfig()->getDefaultSidebarView();
484
485			$pluginParameters = json_encode($vocab->getConfig()->getPluginParameters());
486
487			$template = $this->twig->load('vocab-home.twig');
488
489			echo $template->render(
490			array(
491			'languages' => $this->languages,
492			'vocab' => $vocab,
493			'search_letter' => 'A',
494			'active_tab' => $defaultView,
495			'request' => $request,
496			'plugin_params' => $pluginParameters
497			)
498			);
499			}
500
501			/**
502			* Invokes a very generic errorpage.
503			*/
504			public function invokeGenericErrorPage($request, $message = null)
505			{
506			$this->model->setLocale($request->getLang());
507			header("HTTP/1.0 404 Not Found");
508			$template = $this->twig->load('error.twig');
509			echo $template->render(
510			array(
511			'languages' => $this->languages,
512			'request' => $request,
513			'vocab' => $request->getVocab(),
514			'message' => $message,
515			'requested_page' => filter_input(INPUT_SERVER, 'REQUEST_URI', FILTER_SANITIZE_FULL_SPECIAL_CHARS),
			0 ignored issues – show Bug introduced 2022-11-03 20:21 UTC by Report Bug Copy Issue Report The constant `FILTER_SANITIZE_FULL_SPECIAL_CHARS` was not found. Maybe you did not declare it correctly or list all dependencies? Loading history...
516			)
517			);
518			}
519			}
520

NatLibFi / Skosmos

WebController::invokeGenericErrorPage() A last analyzed 2025-10-29 14:21 UTC

Complexity

Size

Duplication

Importance

Duplication Side-by-Side

Filter issues like

WebController::invokeGenericErrorPage() A
last analyzed 2025-10-29 14:21 UTC