From 7fcb4078dd6bc58f7ba9d87ab2e16089db7f068d Mon Sep 17 00:00:00 2001
From: Joe <joe@thisisjoes.site>
Date: Sat, 19 Aug 2023 15:12:11 -0500
Subject: [PATCH] add reverse image search links extension

---
 ext/reverse_search_links/icons/ascii2d.ico   | Bin 0 -> 1334 bytes
 ext/reverse_search_links/icons/saucenao.ico  | Bin 0 -> 822 bytes
 ext/reverse_search_links/icons/tineye.ico    | Bin 0 -> 894 bytes
 ext/reverse_search_links/icons/trace.moe.ico | Bin 0 -> 1150 bytes
 ext/reverse_search_links/icons/yandex.ico    | Bin 0 -> 1150 bytes
 ext/reverse_search_links/info.php            |  18 ++++
 ext/reverse_search_links/main.php            |  85 +++++++++++++++++++
 ext/reverse_search_links/style.css           |   4 +
 ext/reverse_search_links/theme.php           |  37 ++++++++
 9 files changed, 144 insertions(+)
 create mode 100644 ext/reverse_search_links/icons/ascii2d.ico
 create mode 100644 ext/reverse_search_links/icons/saucenao.ico
 create mode 100644 ext/reverse_search_links/icons/tineye.ico
 create mode 100644 ext/reverse_search_links/icons/trace.moe.ico
 create mode 100644 ext/reverse_search_links/icons/yandex.ico
 create mode 100644 ext/reverse_search_links/info.php
 create mode 100644 ext/reverse_search_links/main.php
 create mode 100644 ext/reverse_search_links/style.css
 create mode 100644 ext/reverse_search_links/theme.php

diff --git a/ext/reverse_search_links/icons/ascii2d.ico b/ext/reverse_search_links/icons/ascii2d.ico
new file mode 100644
index 0000000000000000000000000000000000000000..29e6fd1208c8c23e2d2cfd12b68141c7bbf8d292
GIT binary patch
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literal 0
HcmV?d00001

diff --git a/ext/reverse_search_links/icons/saucenao.ico b/ext/reverse_search_links/icons/saucenao.ico
new file mode 100644
index 0000000000000000000000000000000000000000..128dde6444fb0cd83f4c385c9ab0bf7b30a27b59
GIT binary patch
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diff --git a/ext/reverse_search_links/icons/tineye.ico b/ext/reverse_search_links/icons/tineye.ico
new file mode 100644
index 0000000000000000000000000000000000000000..184b8793ead4703f51b88328cc8125d45fbe57d8
GIT binary patch
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diff --git a/ext/reverse_search_links/icons/trace.moe.ico b/ext/reverse_search_links/icons/trace.moe.ico
new file mode 100644
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diff --git a/ext/reverse_search_links/icons/yandex.ico b/ext/reverse_search_links/icons/yandex.ico
new file mode 100644
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GIT binary patch
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diff --git a/ext/reverse_search_links/info.php b/ext/reverse_search_links/info.php
new file mode 100644
index 00000000..15f6164b
--- /dev/null
+++ b/ext/reverse_search_links/info.php
@@ -0,0 +1,18 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shimmie2;
+
+class ReverseSearchLinksInfo extends ExtensionInfo
+{
+    public const KEY = "reverse_search_links";
+
+    public string $key = self::KEY;
+    public string $name = "Reverse Search Links";
+    public array $authors = ['joe' => 'joe@thisisjoes.site'];
+    public string $license = self::LICENSE_GPLV2;
+    public string $description = "Provides reverse search links for images.";
+    public ?string $documentation = "Click on an icon in the 'Reverse Image Search' block to search for the image using the corresponding service. This may be useful to find the original source or author of an image.<br/>
+                                     Options for which services to show and the position and priority of the block are available for admins on the config page.";
+}
diff --git a/ext/reverse_search_links/main.php b/ext/reverse_search_links/main.php
new file mode 100644
index 00000000..9c68bb64
--- /dev/null
+++ b/ext/reverse_search_links/main.php
@@ -0,0 +1,85 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shimmie2;
+
+abstract class ReverseSearchLinksConfig
+{
+    public const PRIORITY = "ext_reverse_search_links_priority";
+    public const POSITION = "ext_reverse_search_links_position";
+    public const ENABLED_SERVICES = "ext_reverse_search_links_enabled_services";
+}
+
+class ReverseSearchLinks extends Extension
+{
+    /** @var ReverseSearchLinksTheme */
+    protected Themelet $theme;
+
+    /**
+     * Show the extension block when viewing an image
+     */
+    public function onDisplayingImage(DisplayingImageEvent $event)
+    {
+        global $page;
+
+        // only support image types
+        $supported_types = [MimeType::JPEG, MimeType::GIF, MimeType::PNG, MimeType::WEBP];
+        if(in_array($event->image->get_mime(), $supported_types)) {
+            $this->theme->reverse_search_block($page, $event->image);
+        }
+    }
+
+
+    /**
+     * Supported reverse search services
+     */
+    protected array $SERVICES = [
+        'SauceNAO',
+        'IQDB',
+        'TinEye',
+        'trace.moe',
+        'ascii2d',
+        'Yandex'
+    ];
+
+    private function get_options(): array
+    {
+        global $config;
+
+        $output = [];
+        $services = $this->SERVICES;
+        foreach ($services as $service) {
+            $output[$service] = $service;
+        }
+
+        return $output;
+    }
+
+    /**
+     * Generate the settings block
+     */
+    public function onSetupBuilding(SetupBuildingEvent $event)
+    {
+        $sb = $event->panel->create_new_block("Reverse Search Links");
+        $sb->start_table();
+        $sb->add_int_option("ext_reverse_search_links_priority", "Priority:");
+        $sb->add_choice_option("ext_reverse_search_links_position", ["Main page" => "main", "In navigation bar" => "left"], "<br>Position: ");
+        $sb->add_multichoice_option("ext_reverse_search_links_enabled_services", $this->get_options(), "Enabled Services", true);
+        $sb->end_table();
+    }
+
+    /**
+     * Set default config values
+     */
+    public function onInitExt(InitExtEvent $event)
+    {
+        global $config;
+        $config->set_default_int(ReverseSearchLinksConfig::PRIORITY, 20);
+        $config->set_default_string(ReverseSearchLinksConfig::POSITION, "main");
+        $config->set_default_array(
+            ReverseSearchLinksConfig::ENABLED_SERVICES,
+            ['SauceNAO', 'IQDB', 'TinEye', 'trace.moe', 'ascii2d', 'Yandex']
+        );
+    }
+}
diff --git a/ext/reverse_search_links/style.css b/ext/reverse_search_links/style.css
new file mode 100644
index 00000000..5ad622c0
--- /dev/null
+++ b/ext/reverse_search_links/style.css
@@ -0,0 +1,4 @@
+#Reverse_Image_Searchmain a,
+#Reverse_Image_Searchleft a {
+  padding: 0 5px;
+}
diff --git a/ext/reverse_search_links/theme.php b/ext/reverse_search_links/theme.php
new file mode 100644
index 00000000..592d07cf
--- /dev/null
+++ b/ext/reverse_search_links/theme.php
@@ -0,0 +1,37 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shimmie2;
+
+class ReverseSearchLinksTheme extends Themelet
+{
+    public function reverse_search_block(Page $page, Image $image)
+    {
+        global $config;
+
+        $links = [
+            'SauceNAO' => 'https://saucenao.com/search.php?url=' . url_escape(make_http($image->get_thumb_link())),
+            'TinEye' => 'https://www.tineye.com/search/?url=' . url_escape(make_http($image->get_thumb_link())),
+            'trace.moe' => 'https://trace.moe/?auto&url=' . url_escape(make_http($image->get_thumb_link())),
+            'ascii2d' => 'https://ascii2d.net/search/url/' . url_escape(make_http($image->get_thumb_link())),
+            'Yandex' => 'https://yandex.com/images/search?rpt=imageview&url=' . url_escape(make_http($image->get_thumb_link()))
+        ];
+
+        // only generate links for enabled reverse search services
+        $enabled_services = $config->get_array(ReverseSearchLinksConfig::ENABLED_SERVICES);
+
+        $html = "";
+        foreach($links as $name => $link) {
+            if (in_array($name, $enabled_services)) {
+                $icon_link = make_link("/ext/reverse_search_links/icons/" . strtolower($name) . ".ico");
+                $html .= "<a href='$link' rel='nofollow'><img title='Search with $name' src='$icon_link' alt='$name icon'></a>";
+            }
+        }
+
+        $position = $config->get_string(ReverseSearchLinksConfig::POSITION) ?? "main";
+        $priority = $config->get_int(ReverseSearchLinksConfig::PRIORITY) ?? 20;
+
+        $page->add_block(new Block("Reverse Image Search", $html, $position, $priority));
+    }
+}