From ffa83320d297d0f2608f81b0d7d858e343b3dd3c Mon Sep 17 00:00:00 2001
From: flashwave <me@flash.moe>
Date: Wed, 25 Nov 2015 21:18:52 +0100
Subject: [PATCH] r20151125

Signed-off-by: Flashwave <me@flash.moe>
---
 _sakura/components/BBcode/BBcode.php |  52 ++++++
 _sakura/components/BBcode/Parse.php  | 140 +++++++++++++++
 _sakura/components/BBcode/Store.php  | 250 +++++++++++++++++++++++++++
 _sakura/components/Forum/Post.php    |   1 +
 _sakura/components/User.php          |   2 +-
 _sakura/sakura.php                   |   5 +-
 6 files changed, 448 insertions(+), 2 deletions(-)
 create mode 100644 _sakura/components/BBcode/BBcode.php
 create mode 100644 _sakura/components/BBcode/Parse.php
 create mode 100644 _sakura/components/BBcode/Store.php

diff --git a/_sakura/components/BBcode/BBcode.php b/_sakura/components/BBcode/BBcode.php
new file mode 100644
index 0000000..a6d0add
--- /dev/null
+++ b/_sakura/components/BBcode/BBcode.php
@@ -0,0 +1,52 @@
+<?php
+/*
+ * BBcode main
+ */
+
+namespace Sakura\BBcode;
+
+class BBcode
+{
+    // Text
+    private $text;
+    private $seed;
+
+    // Contructor
+    public function __construct($text = "", $seed = '9001')
+    {
+        $this->setText($text);
+        $this->seed = $seed;
+    }
+
+    // Set text
+    public function setText($text)
+    {
+        $this->text = $text;
+    }
+
+    // Convert to storage format
+    public function toStore()
+    {
+        // Create new Store
+        $store = new Store($this->text, $this->seed);
+
+        // Parse
+        $store = $store->generate();
+
+        // And return
+        return $store;
+    }
+
+    // Convert to storage format
+    public function toHTML()
+    {
+        // Create new Parse
+        $parse = new Parse($this->text, $this->seed);
+
+        // Parse
+        $parse = $parse->parse();
+
+        // And return
+        return $parse;
+    }
+}
diff --git a/_sakura/components/BBcode/Parse.php b/_sakura/components/BBcode/Parse.php
new file mode 100644
index 0000000..73c8d31
--- /dev/null
+++ b/_sakura/components/BBcode/Parse.php
@@ -0,0 +1,140 @@
+<?php
+/*
+ * BBcode parser
+ */
+
+namespace Sakura\BBcode;
+
+class Parse
+{
+    // Text
+    private $text;
+    private $seed;
+
+    // Simple bbcodes
+    private $simple = [
+        'b' => 'strong',
+        'i' => 'em',
+        'u' => 'u',
+        's' => 'del',
+        'h' => 'h2',
+    ];
+
+    // Advanced bbcodes
+    private $advanced = [
+        'spoiler' => '<span class="spoiler">|</span>',
+    ];
+
+    public function __construct($text = "", $seed = '9001')
+    {
+        $this->setText($text);
+        $this->seed = $seed;
+    }
+
+    public function setText($text)
+    {
+        $this->text = $text;
+    }
+
+    public function parseImage($text)
+    {
+        return preg_replace_callback(
+            "#\[img:{$this->seed}\](?<url>[^[]+)\[/img:{$this->seed}\]#",
+            function ($i) {
+                return "<img src=\"{$i['url']}\" alt=\"{$i['url']}\" />";
+            },
+            $text
+        );
+    }
+
+    public function parseList($text)
+    {
+        $text = preg_replace("#\[list=\d+:{$this->seed}\]#", '<ol>', $text);
+        $text = preg_replace("#\[list(=.?)?:{$this->seed}\]#", "<ol class='unordered'>", $text);
+        $text = preg_replace("#\[/\*(:m)?:{$this->seed}\]\n?#", '</li>', $text);
+        $text = str_replace("[*:{$this->seed}]", '<li>', $text);
+        $text = str_replace("[/list:o:{$this->seed}]", '</ol>', $text);
+        $text = str_replace("[/list:u:{$this->seed}]", '</ol>', $text);
+
+        return $text;
+    }
+
+    public function parseCode($text)
+    {
+        return preg_replace_callback(
+            "#[\r|\n]*\[code:{$this->seed}\][\r|\n]*(.*?)[\r|\n]*\[/code:{$this->seed}\][\r|\n]*#s",
+            function ($c) {
+                return '<pre class="prettyprint linenums">' . str_replace('<br />', '', $c[1]) . '</pre>';
+            },
+            $text
+        );
+    }
+
+    public function parseQuote($text)
+    {
+        $text = preg_replace("#\[quote=&quot;([^:]+)&quot;:{$this->seed}\]#", '<h4>\\1 wrote:</h4><blockquote>', $text);
+        $text = str_replace("[quote:{$this->seed}]", '<blockquote>', $text);
+        $text = str_replace("[/quote:{$this->seed}]", '</blockquote>', $text);
+
+        return $text;
+    }
+
+    public function parseSimple($text)
+    {
+        // Parse all simple tags
+        foreach ($this->simple as $code => $tag) {
+            $text = str_replace("[{$code}:{$this->seed}]", "<{$tag}>", $text);
+            $text = str_replace("[/{$code}:{$this->seed}]", "</{$tag}>", $text);
+        }
+        return $text;
+    }
+
+    public function parseAdvanced($text)
+    {
+        // Parse all advanced tags
+        foreach ($this->advanced as $code => $tags) {
+            $tags = explode('|', $tags);
+
+            $text = str_replace("[{$code}:{$this->seed}]", $tags[0], $text);
+            $text = str_replace("[/{$code}:{$this->seed}]", $tags[1], $text);
+        }
+        return $text;
+    }
+
+    public function parseColour($text)
+    {
+        $text = preg_replace("#\[color=([^:]+):{$this->seed}\]#", "<span style='color:\\1'>", $text);
+        $text = str_replace("[/color:{$this->seed}]", '</span>', $text);
+
+        return $text;
+    }
+
+    public function parseUrl($text)
+    {
+        $text = preg_replace("#\[url:{$this->seed}\](.+?)\[/url:{$this->seed}\]#", "<a rel='nofollow' href='\\1'>\\1</a>", $text);
+        $text = preg_replace("#\[url=(.+?):{$this->seed}\]#", "<a rel='nofollow' href='\\1'>", $text);
+        $text = str_replace("[/url:{$this->seed}]", '</a>', $text);
+
+        return $text;
+    }
+
+    public function parse()
+    {
+        // Get text
+        $text = $this->text;
+
+        $text = str_replace("\n", '<br />', $text);
+
+        $text = $this->parseCode($text);
+        $text = $this->parseList($text);
+        $text = $this->parseQuote($text);
+
+        $text = $this->parseAdvanced($text);
+        $text = $this->parseColour($text);
+        $text = $this->parseImage($text);
+        $text = $this->parseSimple($text);
+        $text = $this->parseUrl($text);
+
+        return $text;
+    }
+}
diff --git a/_sakura/components/BBcode/Store.php b/_sakura/components/BBcode/Store.php
new file mode 100644
index 0000000..e96777f
--- /dev/null
+++ b/_sakura/components/BBcode/Store.php
@@ -0,0 +1,250 @@
+<?php
+/*
+ * BBcode storage format generator/converter
+ */
+
+namespace Sakura\BBcode;
+
+class Store
+{
+    // Text
+    private $text;
+    private $seed;
+
+    // Special escapes
+    protected $escapes = [
+        '[' => '&#91;',
+        ']' => '&#93;',
+        '.' => '&#46;',
+        ':' => '&#58;',
+    ];
+
+    // Spaces
+    protected $spaces = [
+        "(^|\s)",
+        "((?:\.|\))?(?:$|\s|\n|\r))",
+    ];
+
+    // Simple bbcodes
+    protected $simple = [
+        'b',
+        'i',
+        'u',
+        's',
+        'h',
+        'img',
+        'spoiler',
+    ];
+
+    // Constructor
+    public function __construct($text = "", $seed = "")
+    {
+        $this->setText($text);
+        $this->seed = $seed;
+    }
+
+    // Set text
+    public function setText($text)
+    {
+        $this->text = $text;
+    }
+
+    // Colour tag
+    public function parseColour($text)
+    {
+        return preg_replace(
+            ",\[(color=(?:#[[:xdigit:]]{6}|[[:alpha:]]+))\](.+?)\[(/color)\],",
+            "[\\1:{$this->seed}]\\2[\\3:{$this->seed}]",
+            $text
+        );
+    }
+
+    // Align tag
+    public function parseAlign($text)
+    {
+        return preg_replace(
+            ",\[(align=(?:[[:alpha:]]+))\](.+?)\[(/align)\],",
+            "[\\1:{$this->seed}]\\2[\\3:{$this->seed}]",
+            $text
+        );
+    }
+
+    // Size tag
+    public function parseSize($text)
+    {
+        return preg_replace(
+            ",\[(size=(?:[[:digit:]]+))\](.+?)\[(/size)\],",
+            "[\\1:{$this->seed}]\\2[\\3:{$this->seed}]",
+            $text
+        );
+    }
+
+    // Simple tags
+    public function parseSimple($text)
+    {
+        // Parse all simple tags
+        foreach ($this->simple as $code) {
+            $text = preg_replace(
+                "#\[{$code}](.*?)\[/{$code}\]#s",
+                "[{$code}:{$this->seed}]\\1[/{$code}:{$this->seed}]",
+                $text
+            );
+        }
+        return $text;
+    }
+
+    // Code tag
+    public function parseCode($text)
+    {
+        $text = preg_replace_callback(
+            "#\[code\](((?R)|.)*?)\[/code\]#s",
+            function ($t) {
+                $escaped = $this->escape($t[1]);
+
+                return "[code:{$this->seed}]{$escaped}[/code:{$this->seed}]";
+            },
+            $text
+        );
+
+        return $text;
+    }
+
+    // Quote tag
+    public function parseQuote($text)
+    {
+        $patterns = ["/\[(quote(?:=&quot;.+?&quot;)?)\]/", '[/quote]'];
+        $counts = [preg_match_all($patterns[0], $text), substr_count($text, $patterns[1])];
+        $limit = min($counts);
+
+        $text = preg_replace($patterns[0], "[\\1:{$this->seed}]", $text, $limit);
+        $text = preg_replace('/' . preg_quote($patterns[1], '/') . '/', "[/quote:{$this->seed}]", $text, $limit);
+
+        return $text;
+    }
+
+    public function parseList($text)
+    {
+        $patterns = ["/\[(list(?:=.+?)?)\]/", '[/list]'];
+        $counts = [preg_match_all($patterns[0], $text), substr_count($text, $patterns[1])];
+        $limit = min($counts);
+
+        $text = str_replace('[*]', "[*:{$this->seed}]", $text);
+        $text = str_replace('[/*]', '', $text);
+
+        $text = preg_replace($patterns[0], "[\\1:{$this->seed}]", $text, $limit);
+        $text = preg_replace('/' . preg_quote($patterns[1], '/') . '/', "[/list:o:{$this->seed}]", $text, $limit);
+
+        return $text;
+    }
+
+    public function parseEmotes($text)
+    {
+        $match = [];
+        $replace = [];
+
+        foreach ($this->emoticons as $emote) {
+            $match[] = '(?<=^|[\n .])' . preg_quote($emote['code'], '#') . '(?![^<>]*>)';
+            $replace[] = '<!-- s' . $emote['code'] . ' --><img src="' . $emote['url'] . '" alt="' . $emote['code'] . '" /><!-- s' . $emote['code'] . ' -->';
+        }
+
+        if (count($match)) {
+            $text = trim(
+                preg_replace(
+                    explode(
+                        chr(0),
+                        '#' . implode('#' . chr(0) . '#', $match) . '#'
+                    ),
+                    $replace,
+                    $text
+                )
+            );
+        }
+
+        return $text;
+    }
+
+    public function parseUrl($text)
+    {
+        $urlPattern = '(?:https?|ftp)://.+?';
+
+        $text = preg_replace_callback(
+            "#\[url\]({$urlPattern})\[/url\]#",
+            function ($m) {
+                $url = $this->escape($m[1]);
+                return "[url:{$this->seed}]{$url}[/url:{$this->seed}]";
+            },
+            $text
+        );
+
+        $text = preg_replace_callback(
+            "#\[url=({$urlPattern})\](.+?)\[/url\]#",
+            function ($m) {
+                $url = $this->escape($m[1]);
+                return "[url={$url}:{$this->seed}]{$m[2]}[/url:{$this->seed}]";
+            },
+            $text
+        );
+
+        return $text;
+    }
+
+    public function parseLinks($text)
+    {
+        // Spaces
+        $spaces = ["(^|\s)", "((?:\.|\))?(?:$|\s|\n|\r))"];
+
+        // HTTP(s), FTP, IRC and osu
+        $text = preg_replace(
+            "#{$spaces[0]}((?:https?|ftp|irc|osu)://[^\s]+?){$spaces[1]}#",
+            "\\1<!-- m --><a href='\\2' rel='nofollow'>\\2</a><!-- m -->\\3",
+            $text
+        );
+
+        // Prefixed with www.
+        $text = preg_replace(
+            "/{$spaces[0]}(www\.[^\s]+){$spaces[1]}/",
+            "\\1<!-- w --><a href='http://\\2' rel='nofollow'>\\2</a><!-- w -->\\3",
+            $text
+        );
+
+        // E-mail addresses
+        $text = preg_replace(
+            "/{$spaces[0]}([A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z-]+){$spaces[1]}/",
+            "\\1<!-- e --><a href='mailto:\\2' rel='nofollow'>\\2</a><!-- m -->\\3",
+            $text
+        );
+
+        return $text;
+    }
+
+    // Escapes
+    public function escape($text)
+    {
+        return str_replace(
+            array_keys($this->escapes),
+            $this->escapes,
+            $text
+        );
+    }
+
+    // Generator
+    public function generate()
+    {
+        // Get the text
+        $text = htmlentities($this->text);
+
+        $text = $this->parseCode($text);
+        $text = $this->parseQuote($text);
+        $text = $this->parseList($text);
+
+        $text = $this->parseSimple($text);
+        $text = $this->parseAlign($text);
+        $text = $this->parseUrl($text);
+        $text = $this->parseSize($text);
+        $text = $this->parseColour($text);
+
+        $text = $this->parseLinks($text);
+
+        return $text;
+    }
+}
diff --git a/_sakura/components/Forum/Post.php b/_sakura/components/Forum/Post.php
index 3087296..0726b87 100644
--- a/_sakura/components/Forum/Post.php
+++ b/_sakura/components/Forum/Post.php
@@ -8,6 +8,7 @@ namespace Sakura\Forum;
 use Sakura\Main;
 use Sakura\Database;
 use Sakura\User;
+use Sakura\BBcode\BBcode;
 
 /**
  * Class Post
diff --git a/_sakura/components/User.php b/_sakura/components/User.php
index f2095e9..bbdaea9 100755
--- a/_sakura/components/User.php
+++ b/_sakura/components/User.php
@@ -704,7 +704,7 @@ class User
         ], ['change_id', true]);
 
         // Check if anything was returned
-        if ($getOld) {
+        if ($getOld && $getOld['user_id'] != $this->id()) {
             return [0, 'TOO_RECENT', $getOld['change_time']];
         }
 
diff --git a/_sakura/sakura.php b/_sakura/sakura.php
index 851041c..174b310 100755
--- a/_sakura/sakura.php
+++ b/_sakura/sakura.php
@@ -8,7 +8,7 @@
 namespace Sakura;
 
 // Define Sakura version
-define('SAKURA_VERSION', '20151122');
+define('SAKURA_VERSION', '20151125');
 define('SAKURA_VLABEL', 'Eminence');
 define('SAKURA_COLOUR', '#6C3082');
 define('SAKURA_STABLE', false);
@@ -50,6 +50,9 @@ require_once ROOT . '_sakura/components/Urls.php';
 require_once ROOT . '_sakura/components/User.php';
 require_once ROOT . '_sakura/components/Users.php';
 require_once ROOT . '_sakura/components/Whois.php';
+require_once ROOT . '_sakura/components/BBcode/BBcode.php';
+require_once ROOT . '_sakura/components/BBcode/Parse.php';
+require_once ROOT . '_sakura/components/BBcode/Store.php';
 require_once ROOT . '_sakura/components/Forum/Forum.php';
 require_once ROOT . '_sakura/components/Forum/Forums.php';
 require_once ROOT . '_sakura/components/Forum/Post.php';