implement proxied image search #1

README.md

@@ -62,6 +62,7 @@ Could be enabled or disabled by `API_SEARCH_ENABLED` option
 ```
 GET action=search  - required
 GET query={string} - optional, search request, empty if not provided
+GET type={string}  - optional, search type, image|default or empty
 GET page={int}     - optional, search results page, 1 if not provided
 GET mode=SphinxQL  - optional, enable extended SphinxQL syntax
 ```
@@ -142,7 +143,7 @@ GET m=SphinxQL
 * [x] Add robots.txt support (Issue #2)
 * [ ] Improve yggdrasil links detection, add .ygg domain zone support
 * [ ] Make page description visible - based on the cached content dump, when website description tag not available, add condition highlights
-* [ ] Images search (basically implemented but requires testing and some performance optimization)
+* [x] Images search (basically implemented but requires testing and some performance optimization)
 * [x] Index cleaner
 * [ ] Crawl queue balancer, that depends from CPU available
 * [ ] Implement smart queue algorithm that indexing new sites homepage in higher priority

library/mysql.php

@@ -224,6 +224,15 @@ class MySQL {
     return $query->fetch();
   }
 
+  public function getHostImageHostPages(int $hostImageId) {
+
+    $query = $this->_db->prepare('SELECT * FROM `hostImageToHostPage` WHERE `hostImageId` = ?');
+
+    $query->execute([$hostImageId]);
+
+    return $query->fetchAll();
+  }
+
   public function addHostImageToHostPage(int $hostImageId, int $hostPageId, int $timeAdded, mixed $timeUpdated, int $quantity) {
 
     $query = $this->_db->prepare('INSERT INTO `hostImageToHostPage` (`hostImageId`,
@@ -346,6 +355,31 @@ class MySQL {
     return $query->fetch();
   }
 
+  public function getFoundHostImage(int $hostImageId) {
+
+    $query = $this->_db->prepare('SELECT `hostImage`.`uri`,
+                                         `hostImage`.`rank`,
+                                         `host`.`scheme`,
+                                         `host`.`name`,
+                                         `host`.`port`,
+
+                                         (SELECT  GROUP_CONCAT(CONCAT_WS(" | ", `hostImageDescription`.`alt`, `hostImageDescription`.`title`))
+
+                                            FROM  `hostImageDescription`
+                                            WHERE `hostImageDescription`.`hostImageId` = `hostImage`.`hostImageId`) AS `description`
+
+                                          FROM `hostImage`
+                                          JOIN `host` ON (`host`.`hostId` = `hostImage`.`hostId`)
+
+                                          WHERE `hostImage`.`hostImageId` = ?
+
+                                          LIMIT 1');
+
+    $query->execute([$hostImageId]);
+
+    return $query->fetch();
+  }
+
   public function addHostPage(int $hostId,
                               int $crc32uri,
                               string $uri,

library/sphinxql.php

@@ -30,6 +30,25 @@ class SphinxQL {
     return $query->fetchAll();
   }
 
+  public function searchHostImages(string $keyword, int $start, int $limit, int $maxMatches) {
+
+    $query = $this->_sphinx->prepare('SELECT *, WEIGHT() AS `weight`
+
+                                      FROM `hostImage`
+
+                                      WHERE MATCH(?)
+
+                                      ORDER BY `rank` DESC, WEIGHT() DESC
+
+                                      LIMIT ' . (int) ($start > $maxMatches ? ($maxMatches > 0 ? $maxMatches - 1 : 0) : $start) . ',' . (int) $limit . '
+
+                                      OPTION `max_matches`=' . (int) ($maxMatches > 1 ? $maxMatches : 1));
+
+    $query->execute([$keyword]);
+
+    return $query->fetchAll();
+  }
+
   public function searchHostPagesTotal(string $keyword) {
 
     $query = $this->_sphinx->prepare('SELECT COUNT(*) AS `total` FROM `hostPage` WHERE MATCH(?)');
@@ -38,4 +57,13 @@ class SphinxQL {
 
     return $query->fetch()->total;
   }
+
+  public function searchHostImagesTotal(string $keyword) {
+
+    $query = $this->_sphinx->prepare('SELECT COUNT(*) AS `total` FROM `hostImage` WHERE MATCH(?)');
+
+    $query->execute([$keyword]);
+
+    return $query->fetch()->total;
+  }
 }

public/api.php

@@ -30,19 +30,42 @@ if (API_ENABLED) {
 
 
         // Filter request data
+        $type  = !empty($_GET['type']) ? Filter::url($_GET['type']) : 'page';
         $mode  = !empty($_GET['mode']) ? Filter::url($_GET['mode']) : 'default';
         $query = !empty($_GET['query']) ? Filter::url($_GET['query']) : '';
         $page  = !empty($_GET['page']) ? (int) $_GET['page'] : 1;
 
-        // Make search request
+        // Make image search request
+        if (!empty($type) && $type == 'image') {
+
+          $sphinxResultsTotal = $sphinx->searchHostImagesTotal(Filter::searchQuery($query, $mode));
+          $sphinxResults      = $sphinx->searchHostImages(Filter::searchQuery($query, $mode), $page * API_SEARCH_PAGINATION_RESULTS_LIMIT - API_SEARCH_PAGINATION_RESULTS_LIMIT, API_SEARCH_PAGINATION_RESULTS_LIMIT, $sphinxResultsTotal);
+
+        // Make default search request
+        } else {
+
           $sphinxResultsTotal = $sphinx->searchHostPagesTotal(Filter::searchQuery($query, $mode));
           $sphinxResults      = $sphinx->searchHostPages(Filter::searchQuery($query, $mode), $page * API_SEARCH_PAGINATION_RESULTS_LIMIT - API_SEARCH_PAGINATION_RESULTS_LIMIT, API_SEARCH_PAGINATION_RESULTS_LIMIT, $sphinxResultsTotal);
+        }
 
         // Generate results
         $dbResults = [];
 
         foreach ($sphinxResults as $i => $sphinxResult) {
 
+          // Image
+          if (!empty($type) && $type == 'image') {
+
+            if ($hostImage = $db->getFoundHostImage($sphinxResult->id)) {
+
+              $dbResults[$i] = $hostImage;
+
+              $dbResults[$i]->weight = $sphinxResult->weight;
+            }
+
+          // Default
+          } else {
+
             if ($hostPage = $db->getFoundHostPage($sphinxResult->id)) {
 
               $dbResults[$i] = $hostPage;
@@ -50,6 +73,7 @@ if (API_ENABLED) {
               $dbResults[$i]->weight = $sphinxResult->weight;
             }
           }
+        }
 
         // Make response
         $response = [

public/search.php

@@ -24,6 +24,7 @@ $placeholder = Filter::plural($totalPages, [sprintf(_('Over %s page or enter the
                                             ]);
 
 // Filter request data
+$t = !empty($_GET['t']) ? Filter::url($_GET['t']) : 'page';
 $m = !empty($_GET['m']) ? Filter::url($_GET['m']) : 'default';
 $q = !empty($_GET['q']) ? Filter::url($_GET['q']) : '';
 $p = !empty($_GET['p']) ? (int) $_GET['p'] : 1;
@@ -107,8 +108,16 @@ if (filter_var($q, FILTER_VALIDATE_URL) && preg_match(CRAWL_URL_REGEXP, $q)) {
 // Search request
 if (!empty($q)) {
 
+  if (!empty($t) && $t == 'image') {
+
+    $resultsTotal = $sphinx->searchHostImagesTotal(Filter::searchQuery($q, $m));
+    $results      = $sphinx->searchHostImages(Filter::searchQuery($q, $m), $p * WEBSITE_PAGINATION_SEARCH_RESULTS_LIMIT - WEBSITE_PAGINATION_SEARCH_RESULTS_LIMIT, WEBSITE_PAGINATION_SEARCH_RESULTS_LIMIT, $resultsTotal);
+
+  } else {
+
     $resultsTotal = $sphinx->searchHostPagesTotal(Filter::searchQuery($q, $m));
     $results      = $sphinx->searchHostPages(Filter::searchQuery($q, $m), $p * WEBSITE_PAGINATION_SEARCH_RESULTS_LIMIT - WEBSITE_PAGINATION_SEARCH_RESULTS_LIMIT, WEBSITE_PAGINATION_SEARCH_RESULTS_LIMIT, $resultsTotal);
+  }
 
 } else {
 
@@ -177,6 +186,14 @@ if (!empty($q)) {
         color: #fff;
       }
 
+      h3 {
+        display: block;
+        font-size: 16px;
+        font-weight: normal;
+        margin: 8px 0;
+        color: #fff;
+      }
+
       form {
         display: block;
         max-width: 678px;
@@ -208,6 +225,19 @@ if (!empty($q)) {
         color: #090808
       }
 
+      label {
+        font-size: 14px;
+        position: fixed;
+        top: 30px;
+        right: 120px;
+        color: #fff
+      }
+
+      label > input {
+        width: auto;
+        margin: 0 4px;
+      }
+
       button {
         padding: 12px 16px;
         border-radius: 4px;
@@ -235,12 +265,17 @@ if (!empty($q)) {
         color: #54a3f7;
       }
 
-      img {
+      img.icon {
         float: left;
         border-radius: 50%;
         margin-right: 8px;
       }
 
+      img.image {
+        max-width: 100%;
+        border-radius: 3px;
+      }
+
       div {
         max-width: 640px;
         margin: 0 auto;
@@ -262,6 +297,7 @@ if (!empty($q)) {
       <form name="search" method="GET" action="<?php echo WEBSITE_DOMAIN; ?>/search.php">
         <h1><a href="<?php echo WEBSITE_DOMAIN; ?>"><?php echo _('YGGo!') ?></a></h1>
         <input type="text" name="q" placeholder="<?php echo $placeholder ?>" value="<?php echo htmlentities($q) ?>" />
+        <label><input type="checkbox" name="t" value="image" <?php echo (!empty($t) && $t == 'image' ? 'checked="checked"' : false) ?>/> <?php echo _('Images') ?></label>
         <button type="submit"><?php echo _('Search'); ?></button>
       </form>
     </header>
@@ -274,15 +310,58 @@ if (!empty($q)) {
           <?php } ?>
         </div>
         <?php foreach ($results as $result) { ?>
-          <?php if ($hostPage = $db->getFoundHostPage($result->id)) { ?>
+          <?php if (!empty($t) && $t == 'image' &&
+                                  $hostImage = $db->getFoundHostImage($result->id)) { ?>
+            <?php
+
+              // Built image url
+              $hostImageURL = $hostImage->scheme . '://' .
+                              $hostImage->name .
+                             ($hostImage->port ? ':' . $hostImage->port : false) .
+                              $hostImage->uri;
+
+              // Convert remote image to base64 string for the privacy reasons
+              if (!$hostImageType   = @pathinfo($hostImageURL, PATHINFO_EXTENSION)) continue;
+              if (!$hostImageData   = @file_get_contents($hostImageURL)) continue;
+              if (!$hostImageBase64 = @base64_encode($hostImageData)) continue;
+
+              $hostImageURLencoded  = 'data:image/' . $hostImageType . ';base64,' . $hostImageBase64;
+
+            ?>
+            <div>
+              <a href="<?php echo $hostImageURL ?>">
+                <img src="<?php echo $hostImageURLencoded ?>" alt="<?php echo $hostImage->description ?>" title="<?php echo $hostImageURL ?>" class="image" />
+              </a>
+              <?php foreach ((array) $db->getHostImageHostPages($result->id) as $hostPage) { ?>
+                <?php if ($hostPage = $db->getFoundHostPage($hostPage->hostPageId)) { ?>
                   <?php $hostPageURL = $hostPage->scheme . '://' . $hostPage->name . ($hostPage->port ? ':' . $hostPage->port : false) . $hostPage->uri ?>
+                  <h3><?php echo $hostPage->metaTitle ?></h3>
+                  <?php if (!empty($hostImage->description)) { ?>
+                    <span><?php echo $hostImage->description ?></span>
+                  <?php } ?>
+                  <a href="<?php echo $hostPageURL ?>">
+                    <img src="<?php echo WEBSITE_DOMAIN ?>/image.php?q=<?php echo urlencode($hostPage->name) ?>" alt="favicon" width="16" height="16" class="icon" />
+                    <?php echo $hostPageURL ?>
+                  </a>
+                <?php } ?>
+              <?php } ?>
+            </div>
+          <?php } else if ($hostPage = $db->getFoundHostPage($result->id)) { ?>
+              <?php
+
+                $hostPageURL = $hostPage->scheme . '://' .
+                $hostPage->name .
+               ($hostPage->port ? ':' . $hostPage->port : false) .
+                $hostPage->uri;
+
+              ?>
             <div>
               <h2><?php echo $hostPage->metaTitle ?></h2>
               <?php if (!empty($hostPage->metaDescription)) { ?>
               <span><?php echo $hostPage->metaDescription ?></span>
               <?php } ?>
               <a href="<?php echo $hostPageURL ?>">
-                <img src="<?php echo WEBSITE_DOMAIN; ?>/image.php?q=<?php echo urlencode($hostPage->name) ?>" alt="favicon" width="16" height="16" />
+                <img src="<?php echo WEBSITE_DOMAIN; ?>/image.php?q=<?php echo urlencode($hostPage->name) ?>" alt="favicon" width="16" height="16" class="icon" />
                 <?php echo $hostPageURL ?>
               </a>
             </div>