MetaGer.php 41.9 KB
Newer Older
1
2
3
4
<?php
namespace App;

use App;
5
use Cache;
6
7
use Illuminate\Http\Request;
use Jenssegers\Agent\Agent;
Dominik Hebeler's avatar
Bugfix    
Dominik Hebeler committed
8
use LaravelLocalization;
9
use Log;
10
use Predis\Connection\ConnectionException;
11
use Redis;
12
13
14

class MetaGer
{
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
    # Einstellungen für die Suche
    protected $fokus;
    protected $eingabe;
    protected $q;
    protected $category;
    protected $time;
    protected $page;
    protected $lang;
    protected $cache = "";
    protected $site;
    protected $hostBlacklist   = [];
    protected $domainBlacklist = [];
    protected $stopWords       = [];
    protected $phrases         = [];
    protected $engines         = [];
    protected $results         = [];
    protected $ads             = [];
Dominik Hebeler's avatar
Dominik Hebeler committed
32
    protected $products        = [];
33
34
35
    protected $warnings        = [];
    protected $errors          = [];
    protected $addedHosts      = [];
36
    protected $startCount      = 0;
37
    protected $canCache        = false;
38
39
40
41
42
43
44
45
46
    # Daten über die Abfrage
    protected $ip;
    protected $language;
    protected $agent;
    # Konfigurationseinstellungen:
    protected $sumaFile;
    protected $mobile;
    protected $resultCount;
    protected $sprueche;
47
    protected $domainsBlacklisted = [];
48
    protected $urlsBlacklisted    = [];
49
50
51
    protected $url;
    protected $languageDetect;

52
53
    public function __construct()
    {
54
        # Timer starten
55
        $this->starttime = microtime(true);
56
57

        # Versuchen Blacklists einzulesen
58
59
        if (file_exists(config_path() . "/blacklistDomains.txt") && file_exists(config_path() . "/blacklistUrl.txt")) {
            $tmp                      = file_get_contents(config_path() . "/blacklistDomains.txt");
60
            $this->domainsBlacklisted = explode("\n", $tmp);
61
62
63
            $tmp                      = file_get_contents(config_path() . "/blacklistUrl.txt");
            $this->urlsBlacklisted    = explode("\n", $tmp);
        } else {
64
            Log::warning("Achtung: Eine, oder mehrere Blacklist Dateien, konnten nicht geöffnet werden");
65
66
        }

67
        # Parser Skripte einhängen
68
69
70
71
72
73
74
75
        $dir = app_path() . "/Models/parserSkripte/";
        foreach (scandir($dir) as $filename) {
            $path = $dir . $filename;
            if (is_file($path)) {
                require $path;
            }
        }

76
        # Cachebarkeit testen
77
78
79
80
81
82
        try {
            Cache::has('test');
            $this->canCache = true;
        } catch (ConnectionException $e) {
            $this->canCache = false;
        }
83
    }
84

85
    # Erstellt aus den gesammelten Ergebnissen den View
86
87
88
    public function createView()
    {
        $viewResults = [];
89
        # Wir extrahieren alle notwendigen Variablen und geben Sie an unseren View:
90
        foreach ($this->results as $result) {
91
92
93
94
95
96
            $viewResults[] = get_object_vars($result);
        }

        # Wir müssen natürlich noch den Log für die durchgeführte Suche schreiben:
        $this->createLogs();

97
98
        if ($this->fokus === "bilder") {
            switch ($this->out) {
99
100
101
102
103
104
105
106
                case 'results':
                    return view('metager3bilderresults')
                        ->with('results', $viewResults)
                        ->with('eingabe', $this->eingabe)
                        ->with('mobile', $this->mobile)
                        ->with('warnings', $this->warnings)
                        ->with('errors', $this->errors)
                        ->with('metager', $this)
107
                        ->with('browser', (new Agent())->browser());
108
109
110
111
112
113
114
115
                default:
                    return view('metager3bilder')
                        ->with('results', $viewResults)
                        ->with('eingabe', $this->eingabe)
                        ->with('mobile', $this->mobile)
                        ->with('warnings', $this->warnings)
                        ->with('errors', $this->errors)
                        ->with('metager', $this)
116
                        ->with('browser', (new Agent())->browser());
117
            }
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
        } else {
            switch ($this->out) {
                case 'results':
                    return view('metager3results')
                        ->with('results', $viewResults)
                        ->with('eingabe', $this->eingabe)
                        ->with('mobile', $this->mobile)
                        ->with('warnings', $this->warnings)
                        ->with('errors', $this->errors)
                        ->with('metager', $this)
                        ->with('browser', (new Agent())->browser());
                    break;
                case 'results-with-style':
                    return view('metager3')
                        ->with('results', $viewResults)
                        ->with('eingabe', $this->eingabe)
                        ->with('mobile', $this->mobile)
                        ->with('warnings', $this->warnings)
                        ->with('errors', $this->errors)
                        ->with('metager', $this)
                        ->with('suspendheader', "yes")
                        ->with('browser', (new Agent())->browser());
                    break;
                default:
                    return view('metager3')
                        ->with('eingabe', $this->eingabe)
                        ->with('mobile', $this->mobile)
                        ->with('warnings', $this->warnings)
                        ->with('errors', $this->errors)
                        ->with('metager', $this)
                        ->with('browser', (new Agent())->browser());
                    break;
            }
151
152
153
        }
    }

Phil Höfer's avatar
Phil Höfer committed
154
    public function prepareResults()
155
    {
Phil Höfer's avatar
Phil Höfer committed
156
        $engines = $this->engines;
157

Phil Höfer's avatar
Phil Höfer committed
158
159
160
161
162
163
164
165
        // combine
        $combinedResults = $this->combineResults($engines);
        // sort
        //$sortedResults = $this->sortResults($engines);
        // filter
        // augment (boost&adgoal)
        // authorize
        // misc (WiP)
166
167
        uasort($this->results, function ($a, $b) {
            if ($a->getRank() == $b->getRank()) {
168
                return 0;
169
170
            }

171
172
            return ($a->getRank() < $b->getRank()) ? 1 : -1;
        });
173

174
175
        # Validate Results
        $newResults = [];
176
177
        foreach ($this->results as $result) {
            if ($result->isValid($this)) {
178
                $newResults[] = $result;
179
180
            }

181
182
183
        }
        $this->results = $newResults;

184
185
186
187
188
189
        # Boost implementation
        $this->results = $this->parseBoost($this->results);

        #Adgoal Implementation
        $this->results = $this->parseAdgoal($this->results);

190
        $counter   = 0;
191
        $firstRank = 0;
192

193
        if (isset($this->startForwards)) {
194
            $this->startCount = $this->startForwards;
195
        } elseif (isset($this->startBackwards)) {
196
            $this->startCount = $this->startBackwards - count($this->results) - 1;
197
        } else {
198
199
200
            $this->startCount = 0;
        }

201
202
        foreach ($this->results as $result) {
            if ($counter === 0) {
203
                $firstRank = $result->rank;
204
205
            }

206
            $counter++;
207
            $result->number = $counter + $this->startCount;
208
209
210
211
            $confidence     = 0;
            if ($firstRank > 0) {
                $confidence = $result->rank / $firstRank;
            } else {
212
                $confidence = 0;
213
214
215
            }

            if ($confidence > 0.65) {
216
                $result->color = "#FF4000";
217
            } elseif ($confidence > 0.4) {
218
                $result->color = "#FF0080";
219
            } elseif ($confidence > 0.2) {
220
                $result->color = "#C000C0";
221
            } else {
222
                $result->color = "#000000";
223
224
            }

225
226
        }

227
        if (LaravelLocalization::getCurrentLocale() === "en") {
228
229
230
            $this->ads = [];
        }

231
        $this->validated = false;
232
        if (isset($this->password)) {
233
234
235
            # Wir bieten einen bezahlten API-Zugriff an, bei dem dementsprechend die Werbung ausgeblendet wurde:
            # Aktuell ist es nur die Uni-Mainz. Deshalb überprüfen wir auch nur diese.
            $password = getenv('mainz');
236
            $eingabe  = $this->eingabe;
237
            $password = md5($eingabe . $password);
238
239
            if ($this->password === $password) {
                $this->ads       = [];
240
                $this->products  = [];
241
242
243
                $this->validated = true;
            }
        }
244
245

        if (count($this->results) <= 0) {
246
            $this->errors[] = trans('metaGer.results.failed');
247
        }
248

249
        if ($this->canCache() && isset($this->next) && count($this->next) > 0 && count($this->results) > 0) {
250
            $page       = $this->page + 1;
251
            $this->next = [
252
253
254
                'page'          => $page,
                'startForwards' => $this->results[count($this->results) - 1]->number,
                'engines'       => $this->next,
255
256
            ];
            Cache::put(md5(serialize($this->next)), serialize($this->next), 60);
257
258
        } else {
            $this->next = [];
259
260
        }

261
    }
262

Phil Höfer's avatar
Phil Höfer committed
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
    public function combineResults($engines)
    {
        foreach ($engines as $engine) {
            if (isset($engine->next)) {
                $this->next[] = $engine->next;
            }
            if (isset($engine->last)) {
                $this->last[] = $engine->last;
            }
            foreach ($engine->results as $result) {
                if ($result->valid) {
                    $this->results[] = $result;
                }
            }
            foreach ($engine->ads as $ad) {
                $this->ads[] = $ad;
            }
            foreach ($engine->products as $product) {
                $this->products[] = $product;
            }
        }

    }

287
288
    public function parseBoost($results)
    {
289
290
291
292
293
294
295
296
297
298
299
300
        foreach ($results as $result) {
            if (preg_match('/^(http[s]?\:\/\/)?(www.)?amazon\.de/', $result->anzeigeLink)) {
                if (preg_match('/\?/', $result->anzeigeLink)) {
                    $result->link .= '&tag=boostmg01-21';
                } else {
                    $result->link .= '?tag=boostmg01-21';
                }
                $result->partnershop = true;

            }
        }
        return $results;
301
    }
302

303
304
    public function parseAdgoal($results)
    {
305
        $publicKey  = getenv('adgoal_public');
306
        $privateKey = getenv('adgoal_private');
307
        if ($publicKey === false) {
308
309
310
            return $results;
        }
        $tldList = "";
311
312
        try {
            foreach ($results as $result) {
313
                $link = $result->anzeigeLink;
314
                if (strpos($link, "http") !== 0) {
315
316
317
318
319
320
321
322
323
324
                    $link = "http://" . $link;
                }
                $tldList .= parse_url($link, PHP_URL_HOST) . ",";
                $result->tld = parse_url($link, PHP_URL_HOST);
            }
            $tldList = rtrim($tldList, ",");

            # Hashwert
            $hash = md5("meta" . $publicKey . $tldList . "GER");

325
            # Query
326
327
            $query = urlencode($this->q);

328
            $link   = "https://api.smartredirect.de/api_v2/CheckForAffiliateUniversalsearchMetager.php?p=" . $publicKey . "&k=" . $hash . "&tld=" . $tldList . "&q=" . $query;
329
330
331
            $answer = json_decode(file_get_contents($link));

            # Nun müssen wir nur noch die Links für die Advertiser ändern:
332
            foreach ($answer as $el) {
333
                $hoster = $el[0];
334
                $hash   = $el[1];
335

336
337
                foreach ($results as $result) {
                    if ($hoster === $result->tld) {
338
339
                        # Hier ist ein Advertiser:
                        # Das Logo hinzufügen:
340
                        if ($result->image !== "") {
341
                            $result->logo = "https://img.smartredirect.de/logos_v2/60x30/" . $hash . ".gif";
342
                        } else {
343
                            $result->image = "https://img.smartredirect.de/logos_v2/120x60/" . $hash . ".gif";
344
345
                        }

346
347
348
                        # Den Link hinzufügen:
                        $publicKey = $publicKey;
                        $targetUrl = $result->anzeigeLink;
349
                        if (strpos($targetUrl, "http") !== 0) {
350
                            $targetUrl = "http://" . $targetUrl;
351
352
353
354
355
                        }

                        $gateHash            = md5($targetUrl . $privateKey);
                        $newLink             = "https://api.smartredirect.de/api_v2/ClickGate.php?p=" . $publicKey . "&k=" . $gateHash . "&url=" . urlencode($targetUrl) . "&q=" . $query;
                        $result->link        = $newLink;
356
357
358
359
                        $result->partnershop = true;
                    }
                }
            }
360
        } catch (\ErrorException $e) {
361
362
363
364
365
            return $results;
        }

        return $results;
    }
366

Karl's avatar
Karl committed
367
368
369
370
    /*
     * Die Erstellung der Suchmaschinen bis die Ergebnisse da sind mit Unterfunktionen
     */

371
372
    public function createSearchEngines(Request $request)
    {
373
        # Wenn es kein Suchwort gibt
374
        if (!$request->has("eingabe")) {
375
            return;
376
        }
377

378
        $xml                  = simplexml_load_file($this->sumaFile);
379
        $sumas                = $xml->xpath("suma");
380
        $enabledSearchengines = [];
381
        $overtureEnabled      = false;
382
383
        $sumaCount            = 0;

Karl's avatar
Karl committed
384
        /* Erstellt die Liste der eingestellten Sumas
385
386
387
         * Der einzige Unterschied bei angepasstem Suchfokus ist,
         * dass nicht nach den Typen einer Suma,
         * sondern den im Request mitgegebenen Typen entschieden wird.
Karl's avatar
Karl committed
388
389
390
391
392
393
         * Ansonsten wird genau das selbe geprüft und gemacht:
         * Handelt es sich um spezielle Suchmaschinen die immer an sein müssen
         * Wenn es Overture ist vermerken dass Overture an ist
         * Suma Zähler erhöhen
         * Zu Liste hinzufügen
         */
394
        foreach ($sumas as $suma) {
395
396
397
398
399
400
            if ($this->sumaIsSelected($suma, $request)
                || ($this->isBildersuche()
                    && $this->sumaIsAdsuche($suma, $overtureEnabled))
                && (!$this->sumaIsDisabled($suma))) {
                if ($this->sumaIsOverture($suma)) {
                    $overtureEnabled = true;
401
                }
402
403
                if ($this->sumaIsNotAdsuche($suma)) {
                    $sumaCount += 1;
404
                }
405
                $enabledSearchengines[] = $suma;
406
407
408
409
410
            }
        }

        # Sonderregelung für alle Suchmaschinen, die zu den Minisuchern gehören. Diese können alle gemeinsam über einen Link abgefragt werden
        $subcollections = [];
411
412

        $tmp = [];
413
414
        foreach ($enabledSearchengines as $engine) {
            if (isset($engine['minismCollection'])) {
415
                $subcollections[] = $engine['minismCollection']->__toString();
416
            } else {
417
                $tmp[] = $engine;
418
419
            }

420
421
        }
        $enabledSearchengines = $tmp;
422
        if (sizeof($subcollections) > 0) {
423
            $enabledSearchengines[] = $this->loadMiniSucher($xml, $subcollections);
424
425
        }

426
        if ($sumaCount <= 0) {
427
            $this->errors[] = trans('metaGer.settings.noneSelected');
428
        }
429

430
        $engines = [];
431

432
        # Wenn eine Sitesearch durchgeführt werden soll, überprüfen wir ob überhaupt eine der Suchmaschinen eine Sitesearch unterstützt
433
        $siteSearchFailed = $this->checkCanNotSitesearch($enabledSearchengines);
434
435

        $typeslist = [];
436
        $counter   = 0;
437

438
439
        if ($this->requestIsCached($request)) {
            $engines = $this->getCachedEngines($request);
440
        } else {
441
            $engines = $this->actuallyCreateSearchEngines($enabledSearchengines, $siteSearchFailed);
442
        }
443

444
        # Wir starten alle Suchen
445
446
        foreach ($engines as $engine) {
            $engine->startSearch($this);
447
        }
448

449
450
        $this->adjustFocus($sumas, $enabledSearchengines);

451
452
453
454
455
        /* Wir warten auf die Antwort der Suchmaschinen
         * Die Verbindung steht zu diesem Zeitpunkt und auch unsere Requests wurden schon gesendet.
         * Wir zählen die Suchmaschinen, die durch den Cache beantwortet wurden:
         * $enginesToLoad zählt einerseits die Suchmaschinen auf die wir warten und andererseits
         * welche Suchmaschinen nicht rechtzeitig geantwortet haben.
456
457
         */

458
        $enginesToLoad = [];
459
460
461
462
463
464
        $canBreak      = false;
        foreach ($engines as $engine) {
            if ($engine->cached) {
                if ($overtureEnabled && ($engine->name === "overture" || $engine->name === "overtureAds")) {
                    $canBreak = true;
                }
465
466
            } else {
                $enginesToLoad[$engine->name] = false;
467
468
469
470
471
472
473
474
            }
        }

        $this->waitForResults($enginesToLoad, $overtureEnabled, $canBreak);

        $this->retrieveResults($engines);
    }

475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
    # Spezielle Suchen und Sumas

    public function sumaIsSelected($suma, $request)
    {
        if ($this->fokus === "angepasst") {
            if ($request->has($suma["name"])) {
                return true;
            }
        } else {
            $types = explode(",", $suma["type"]);
            if (in_array($this->fokus, $types)) {
                return true;
            }
        }
        return false;
    }

    public function actuallyCreateSearchEngines($enabledSearchengines, $siteSearchFailed)
    {
        $engines = [];
        foreach ($enabledSearchengines as $engine) {

            # Wenn diese Suchmaschine gar nicht eingeschaltet sein soll
            if (!$siteSearchFailed
                && strlen($this->site) > 0
                && (!isset($engine['hasSiteSearch'])
                    || $engine['hasSiteSearch']->__toString() === "0")) {
                continue;
            }

            # Setze Pfad zu Parser
            $path = "App\Models\parserSkripte\\" . ucfirst($engine["package"]->__toString());

            # Prüfe ob Parser vorhanden
            if (!file_exists(app_path() . "/Models/parserSkripte/" . ucfirst($engine["package"]->__toString()) . ".php")) {
510
                Log::error("Konnte " . $engine["name"] . " nicht abfragen, da kein Parser existiert");
511
                $this->errors[] = trans('metaGer.engines.noParser', ['engine' => $engine["name"]]);
512
513
514
515
516
517
518
519
                continue;
            }

            # Es wird versucht die Suchengine zu erstellen
            $time = microtime();
            try {
                $tmp = new $path($engine, $this);
            } catch (\ErrorException $e) {
520
                Log::error("Konnte " . $engine["name"] . " nicht abfragen. " . var_dump($e));
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
                continue;
            }

            # Ausgabe bei Debug-Modus
            if ($tmp->enabled && isset($this->debug)) {
                $this->warnings[] = $tmp->service . "   Connection_Time: " . $tmp->connection_time . "    Write_Time: " . $tmp->write_time . " Insgesamt:" . ((microtime() - $time) / 1000);
            }

            # Wenn die neu erstellte Engine eingeschaltet ist, wird sie der Liste hinzugefügt
            if ($tmp->isEnabled()) {
                $engines[] = $tmp;
            }
        }
        return $engines;
    }

    public function isBildersuche()
    {
        return $this->fokus !== "bilder";
    }

    public function sumaIsAdsuche($suma, $overtureEnabled)
    {
544
        $sumaName = $suma["name"]->__toString();
545
        return
546
547
548
549
            $sumaName === "qualigo"
            || $sumaName === "similar_product_ads"
            || (!$overtureEnabled && $sumaName === "overtureAds")
            || $sumaName == "rlvproduct";
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
    }

    public function sumaIsDisabled($suma)
    {
        return
        isset($suma['disabled'])
        && $suma['disabled']->__toString() === "1";
    }

    public function sumaIsOverture($suma)
    {
        return
        $suma["name"]->__toString() === "overture"
        || $suma["name"]->__toString() === "overtureAds";
    }

    public function sumaIsNotAdsuche($suma)
    {
        return
        $suma["name"]->__toString() !== "qualigo"
        && $suma["name"]->__toString() !== "similar_product_ads"
        && $suma["name"]->__toString() !== "overtureAds";
    }

    public function requestIsCached($request)
    {
        return
        $request->has('next')
        && Cache::has($request->input('next'))
        && unserialize(Cache::get($request->input('next')))['page'] > 1;
    }

    public function getCachedEngines($request)
    {
        $next       = unserialize(Cache::get($request->input('next')));
        $this->page = $next['page'];
        $engines    = $next['engines'];
        if (isset($next['startForwards'])) {
            $this->startForwards = $next['startForwards'];
        }
        if (isset($next['startBackwards'])) {
            $this->startBackwards = $next['startBackwards'];
        }
        return $engines;
    }

    public function loadMiniSucher($xml, $subcollections)
    {
        $minisucherEngine             = $xml->xpath('suma[@name="minism"]')[0];
        $subcollections               = urlencode("(" . implode(" OR ", $subcollections) . ")");
        $minisucherEngine["formData"] = str_replace("<<SUBCOLLECTIONS>>", $subcollections, $minisucherEngine["formData"]);
        $minisucherEngine["formData"] = str_replace("<<COUNT>>", sizeof($subcollections) * 10, $minisucherEngine["formData"]);
        return $minisucherEngine;
    }

605
    # Passt den Suchfokus an, falls für einen Fokus genau alle vorhandenen Sumas eingeschaltet sind
606
607
    public function adjustFocus($sumas, $enabledSearchengines)
    {
608
609
        # Findet für alle Foki die enthaltenen Sumas
        $foki = []; # [fokus][suma] => [suma]
610
611
612
        foreach ($sumas as $suma) {
            if ((!isset($suma['disabled']) || $suma['disabled'] === "") && (!isset($suma['userSelectable']) || $suma['userSelectable']->__toString() === "1")) {
                if (isset($suma['type'])) {
613
614
615
                    # Wenn foki für diese Suchmaschine angegeben sind
                    $focuses = explode(",", $suma['type']->__toString());
                    foreach ($focuses as $foc) {
616
617
618
619
620
                        if (isset($suma['minismCollection'])) {
                            $foki[$foc][] = "minism";
                        } else {
                            $foki[$foc][] = $suma['name']->__toString();
                        }
621
                    }
622
                } else {
623
                    # Wenn keine foki für diese Suchmaschine angegeben sind
624
625
626
627
628
                    if (isset($suma['minismCollection'])) {
                        $foki["andere"][] = "minism";
                    } else {
                        $foki["andere"][] = $suma['name']->__toString();
                    }
629
630
631
632
                }
            }
        }

633
        # Findet die Namen der aktuell eingeschalteten Sumas
634
        $realEngNames = [];
635
        foreach ($enabledSearchengines as $realEng) {
636
            $nam = $realEng["name"]->__toString();
637
            if ($nam !== "qualigo" && $nam !== "overtureAds" && $nam !== "rlvproduct") {
638
639
640
                $realEngNames[] = $nam;
            }
        }
641

642
        # Anschließend werden diese beiden Listen verglichen (jeweils eine der Fokuslisten für jeden Fokus), um herauszufinden ob sie vielleicht identisch sind. Ist dies der Fall, so hat der Nutzer anscheinend Suchmaschinen eines kompletten Fokus eingestellt. Der Fokus wird dementsprechend angepasst.
643
        foreach ($foki as $fok => $engines) {
644
            $isFokus      = true;
645
            $fokiEngNames = [];
646
            foreach ($engines as $eng) {
647
648
                $fokiEngNames[] = $eng;
            }
649
            # Jede eingeschaltete Engine ist für diesen Fokus geeignet
650
            foreach ($fokiEngNames as $fen) {
651
652
                # Bei Bildersuchen ist uns egal, ob alle Suchmaschinen aus dem Suchfokus eingeschaltet sind, da wir sie eh als Bildersuche anzeigen müssen
                if (!in_array($fen, $realEngNames) && $fok !== "bilder") {
653
654
655
                    $isFokus = false;
                }
            }
656
            # Jede im Fokus erwartete Engine ist auch eingeschaltet
657
658
            foreach ($realEngNames as $ren) {
                if (!in_array($ren, $fokiEngNames)) {
659
660
661
                    $isFokus = false;
                }
            }
662
            # Wenn die Listen identisch sind, setze den Fokus um
663
            if ($isFokus) {
664
665
666
                $this->fokus = $fok;
            }
        }
667
    }
668

669
670
671
672
673
674
675
    public function checkCanNotSitesearch($enabledSearchengines)
    {
        if (strlen($this->site) > 0) {
            $enginesWithSite = 0;
            foreach ($enabledSearchengines as $engine) {
                if (isset($engine['hasSiteSearch']) && $engine['hasSiteSearch']->__toString() === "1") {
                    $enginesWithSite++;
676
                }
677
678
            }
            if ($enginesWithSite === 0) {
679
                $this->errors[] = trans('metaGer.sitesearch.failed', ['site' => $this->site, 'searchLink' => $this->generateSearchLink("web", false)]);
680
681
                return true;
            } else {
682
                $this->warnings[] = trans('metaGer.sitesearch.success', ['site' => $this->site]);
683
                return false;
684
685
            }
        }
686
687
688
689
    }

    public function waitForResults($enginesToLoad, $overtureEnabled, $canBreak)
    {
690
        $loadedEngines = 0;
691
        $timeStart     = microtime(true);
692
693
694
695

        # Auf wie viele Suchmaschinen warten wir?
        $engineCount = count($enginesToLoad);

696
697
        while (true) {
            $time          = (microtime(true) - $timeStart) * 1000;
698
            $loadedEngines = intval(Redis::hlen('search.' . $this->getHashCode()));
699
            if ($overtureEnabled && (Redis::hexists('search.' . $this->getHashCode(), 'overture') || Redis::hexists('search.' . $this->getHashCode(), 'overtureAds'))) {
700
                $canBreak = true;
701
            }
702
703

            # Abbruchbedingung
704
            if ($time < 500) {
705
                if (($engineCount === 0 || $loadedEngines >= $engineCount) && $canBreak) {
706
                    break;
707
708
709
                }

            } elseif ($time >= 500 && $time < $this->time) {
710
                if (($engineCount === 0 || ($loadedEngines / ($engineCount * 1.0)) >= 0.8) && $canBreak) {
711
                    break;
712
713
714
                }

            } else {
715
716
717
718
                break;
            }
            usleep(50000);
        }
719
720
721
722
723
724
725

        # Wir haben nun so lange wie möglich gewartet. Wir registrieren nun noch die Suchmaschinen, die geanwortet haben.
        $answered = Redis::hgetall('search.' . $this->getHashCode());
        foreach ($answered as $key => $value) {
            $enginesToLoad[$key] = true;
        }
        $this->enginesToLoad = $enginesToLoad;
726
    }
727

728
729
730
    public function retrieveResults($engines)
    {
        # Von geladenen Engines die Ergebnisse holen
731
732
733
        foreach ($engines as $engine) {
            if (!$engine->loaded) {
                try {
734
                    $engine->retrieveResults($this);
735
                } catch (\ErrorException $e) {
736
737
738
739
                    Log::error($e);
                }
            }
        }
740

741
        # Nicht fertige Engines verwefen
742
743
        foreach ($engines as $engine) {
            if (!$engine->loaded) {
744
                $engine->shutdown();
745
            }
746
747
748
        }

        $this->engines = $engines;
749
750
    }

751
752
753
/*
 * Ende Suchmaschinenerstellung und Ergebniserhalt
 */
Karl's avatar
Karl committed
754

755
756
    public function parseFormData(Request $request)
    {
757
        # Sichert, dass der request in UTF-8 formatiert ist
758
759
760
761
762
763
764
765
        if ($request->input('encoding', '') !== "utf8") {
            # In früheren Versionen, als es den Encoding Parameter noch nicht gab, wurden die Daten in ISO-8859-1 übertragen
            $input = $request->all();
            foreach ($input as $key => $value) {
                $input[$key] = mb_convert_encoding("$value", "UTF-8", "ISO-8859-1");
            }
            $request->replace($input);
        }
766
        $this->url = $request->url();
767
        # Zunächst überprüfen wir die eingegebenen Einstellungen:
768
        # Fokus
769
        $this->fokus = $request->input('focus', 'web');
770
        # Suma-File
771
        if (App::isLocale("en")) {
772
            $this->sumaFile = config_path() . "/sumas.xml";
773
        } else {
774
775
            $this->sumaFile = config_path() . "/sumas.xml";
        }
776
        if (!file_exists($this->sumaFile)) {
777
            die(trans('metaGer.formdata.cantLoad'));
778
        }
779
        # Sucheingabe
780
        $this->eingabe = trim($request->input('eingabe', ''));
781
        if (strlen($this->eingabe) === 0) {
782
            $this->warnings[] = trans('metaGer.formdata.noSearch');
783
784
        }
        $this->q = $this->eingabe;
785
        # IP
786
        $this->ip = $request->ip();
787
        # Language
788
        if (isset($_SERVER['HTTP_LANGUAGE'])) {
789
            $this->language = $_SERVER['HTTP_LANGUAGE'];
790
        } else {
791
792
793
794
            $this->language = "";
        }
        # Category
        $this->category = $request->input('category', '');
795
        # Request Times
796
797
        $this->time = $request->input('time', 1000);
        # Page
798
        $this->page = 1;
799
800
        # Lang
        $this->lang = $request->input('lang', 'all');
801
802
        if ($this->lang !== "de" && $this->lang !== "en" && $this->lang !== "all") {
            $this->lang = "all";
803
        }
804
        $this->agent  = new Agent();
805
        $this->mobile = $this->agent->isMobile();
806
        # Sprüche
807
        $this->sprueche = $request->input('sprueche', 'off');
808
        if ($this->sprueche === "off") {
809
            $this->sprueche = true;
810
        } else {
811
            $this->sprueche = false;
812
        }
813
814
        # Theme
        $this->theme = preg_replace("/[^[:alnum:][:space:]]/u", '', $request->input('theme', 'none'));
815
816
817
        # Ergebnisse pro Seite:
        $this->resultCount = $request->input('resultCount', '20');
        # Manchmal müssen wir Parameter anpassen um den Sucheinstellungen gerecht zu werden:
818
819
        if ($request->has('dart')) {
            $this->time       = 10000;
820
            $this->warnings[] = trans('metaGer.formdata.dartEurope');
821
        }
822
823
        if ($this->time <= 500 || $this->time > 20000) {
            $this->time = 1000;
824
        }
825
826
827
828
829
830
831
832
833
        if ($request->has('minism') && ($request->has('fportal') || $request->has('harvest'))) {
            $input    = $request->all();
            $newInput = [];
            foreach ($input as $key => $value) {
                if ($key !== "fportal" && $key !== "harvest") {
                    $newInput[$key] = $value;
                }
            }
            $request->replace($newInput);
834
        }
835
836
        if (App::isLocale("en")) {
            $this->sprueche = "off";
837
        }
838
839
        if ($this->resultCount <= 0 || $this->resultCount > 200) {
            $this->resultCount = 1000;
840
        }
841
842
843
844
845
846
        if ($request->has('onenewspageAll') || $request->has('onenewspageGermanyAll')) {
            $this->time  = 5000;
            $this->cache = "cache";
        }
        if ($request->has('tab')) {
            if ($request->input('tab') === "off") {
847
                $this->tab = "_blank";
848
            } else {
849
850
                $this->tab = "_self";
            }
851
        } else {
852
853
            $this->tab = "_blank";
        }
854
        if ($request->has('password')) {
855
            $this->password = $request->input('password');
856
857
        }
        if ($request->has('quicktips')) {
858
            $this->quicktips = false;
859
        } else {
860
            $this->quicktips = true;
861
        }
862
        $this->out = $request->input('out', "html");
863
        # Standard output format html
864
        if ($this->out !== "html" && $this->out !== "json" && $this->out !== "results" && $this->out !== "results-with-style") {
865
            $this->out = "html";
866
        }
867
        $this->request = $request;
868
869
870
871
    }

    public function checkSpecialSearches(Request $request)
    {
872
873
874
875
876
877
878
879
880
881
882
        $query = $this->q;
        if ($request->has('site')) {
            $site = $request->input('site');
        } else {
            $site = "";
        }
        $this->searchCheckSitesearch($query, $site);
        $this->searchCheckHostBlacklist($query);
        $this->searchCheckDomainBlacklist($query);
        $this->searchCheckStopwords($query);
        $this->searchCheckPhrase($query);
883
884
    }

885
    public function searchCheckSitesearch($query, $site)
886
    {
887
        if (preg_match("/(.*)\bsite:(\S+)(.*)/si", $query, $match)) {
888
889
890
            $this->site = $match[2];
            $this->q    = $match[1] . $match[3];
        }
891
892
        if ($site !== "") {
            $this->site = $site;
893
        }
894
    }
895

896
    public function searchCheckHostBlacklist($query)
897
    {
898
        while (preg_match("/(.*)(^|\s)-host:(\S+)(.*)/si", $query, $match)) {
899
            $this->hostBlacklist[] = $match[3];
900
901
            $query                 = $match[1] . $match[4];
            $this->q               = $query;
902
903
904
905
906
907
908
        }
        if (sizeof($this->hostBlacklist) > 0) {
            $hostString = "";
            foreach ($this->hostBlacklist as $host) {
                $hostString .= $host . ", ";
            }
            $hostString       = rtrim($hostString, ", ");
909
            $this->warnings[] = trans('metaGer.formdata.hostBlacklist', ['host' => $hostString]);
910
        }
911
    }
912

913
    public function searchCheckDomainBlacklist($query)
914
    {
915
        while (preg_match("/(.*)(^|\s)-domain:(\S+)(.*)/si", $query, $match)) {
916
            $this->domainBlacklist[] = $match[3];
917
918
            $query                   = $match[1] . $match[4];
            $this->q                 = $query;
919
920
921
922
923
924
925
        }
        if (sizeof($this->domainBlacklist) > 0) {
            $domainString = "";
            foreach ($this->domainBlacklist as $domain) {
                $domainString .= $domain . ", ";
            }
            $domainString     = rtrim($domainString, ", ");
926
            $this->warnings[] = trans('metaGer.formdata.domainBlacklist', ['domain' => $domainString]);
927
        }
928
    }
929

930
    public function searchCheckStopwords($query)
931
    {
932
        while (preg_match("/(.*)(^|\s)-(\S+)(.*)/si", $query, $match)) {
933
            $this->stopWords[] = $match[3];
934
935
            $query             = $match[1] . $match[4];
            $this->q           = $query;
936
937
938
939
940
941
942
        }
        if (sizeof($this->stopWords) > 0) {
            $stopwordsString = "";
            foreach ($this->stopWords as $stopword) {
                $stopwordsString .= $stopword . ", ";
            }
            $stopwordsString  = rtrim($stopwordsString, ", ");
943
            $this->warnings[] = trans('metaGer.formdata.stopwords', ['stopwords' => $stopwordsString]);
944
        }
945
    }
946

947
    public function searchCheckPhrase($query)
948
    {
949
        $p   = "";
950
        $tmp = $query;
951
952
        while (preg_match("/(.*)\"(.+)\"(.*)/si", $tmp, $match)) {
            $tmp             = $match[1] . $match[3];
953
            $this->phrases[] = strtolower($match[2]);
954
955
        }
        foreach ($this->phrases as $phrase) {
956
957
958
            $p .= "\"$phrase\", ";
        }
        $p = rtrim($p, ", ");
959
        if (sizeof($this->phrases) > 0) {
960
            $this->warnings[] = trans('metaGer.formdata.phrase', ['phrase' => $p]);
961
962
963
        }
    }

964
    public function nextSearchLink()
965
    {
966
967
968
969
970
971
972
973
        if (isset($this->next) && isset($this->next['engines']) && count($this->next['engines']) > 0) {
            $requestData         = $this->request->except(['page', 'out']);
            $requestData['next'] = md5(serialize($this->next));
            $link                = action('MetaGerSearch@search', $requestData);
        } else {
            $link = "#";
        }
        return $link;
974
975
    }

976
    public function rankAll()
977
    {
978
979
980
        foreach ($this->engines as $engine) {
            $engine->rank($this);
        }
981
982
    }

983
# Hilfsfunktionen
984

Karl's avatar
Karl committed
985
986
987
988
989
990