看板初始化提交

app/ExternalLink/AttachmentLink.php

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+<?php
+
+namespace Kanboard\ExternalLink;
+
+use Kanboard\Core\ExternalLink\ExternalLinkInterface;
+
+/**
+ * Attachment Link
+ *
+ * @package  externalLink
+ * @author   Frederic Guillot
+ */
+class AttachmentLink extends BaseLink implements ExternalLinkInterface
+{
+    /**
+     * Get link title
+     *
+     * @access public
+     * @return string
+     */
+    public function getTitle()
+    {
+        $path = parse_url($this->url, PHP_URL_PATH);
+        return basename($path);
+    }
+}

app/ExternalLink/AttachmentLinkProvider.php

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+<?php
+
+namespace Kanboard\ExternalLink;
+
+use Kanboard\Core\ExternalLink\ExternalLinkProviderInterface;
+
+/**
+ * Attachment Link Provider
+ *
+ * @package  externalLink
+ * @author   Frederic Guillot
+ */
+class AttachmentLinkProvider extends BaseLinkProvider implements ExternalLinkProviderInterface
+{
+    /**
+     * File extensions that are not attachments
+     *
+     * @access protected
+     * @var array
+     */
+    protected $extensions = array(
+        'html',
+        'htm',
+        'xhtml',
+        'php',
+        'jsp',
+        'do',
+        'action',
+        'asp',
+        'aspx',
+        'cgi',
+    );
+
+    /**
+     * Get provider name
+     *
+     * @access public
+     * @return string
+     */
+    public function getName()
+    {
+        return t('Attachment');
+    }
+
+    /**
+     * Get link type
+     *
+     * @access public
+     * @return string
+     */
+    public function getType()
+    {
+        return 'attachment';
+    }
+
+    /**
+     * Get a dictionary of supported dependency types by the provider
+     *
+     * @access public
+     * @return array
+     */
+    public function getDependencies()
+    {
+        return array(
+            'related' => t('Related'),
+        );
+    }
+
+    /**
+     * Return true if the provider can parse correctly the user input
+     *
+     * @access public
+     * @return boolean
+     */
+    public function match()
+    {
+        if (preg_match('/^https?:\/\/.*\/.*\.([^\/]+)$/', $this->userInput, $matches)) {
+            return $this->isValidExtension($matches[1]);
+        }
+
+        return false;
+    }
+
+    /**
+     * Get the link found with the properties
+     *
+     * @access public
+     * @return \Kanboard\Core\ExternalLink\ExternalLinkInterface
+     */
+    public function getLink()
+    {
+        $link = new AttachmentLink($this->container);
+        $link->setUrl($this->userInput);
+
+        return $link;
+    }
+
+    /**
+     * Check file extension
+     *
+     * @access protected
+     * @param  string $extension
+     * @return boolean
+     */
+    protected function isValidExtension($extension)
+    {
+        $extension = strtolower($extension);
+
+        foreach ($this->extensions as $ext) {
+            if ($extension === $ext) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+}

app/ExternalLink/BaseLink.php

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+<?php
+
+namespace Kanboard\ExternalLink;
+
+use Kanboard\Core\Base;
+
+/**
+ * Base Link
+ *
+ * @package  externalLink
+ * @author   Frederic Guillot
+ */
+abstract class BaseLink extends Base
+{
+    /**
+     * URL
+     *
+     * @access protected
+     * @var string
+     */
+    protected $url = '';
+
+    /**
+     * Get link URL
+     *
+     * @access public
+     * @return string
+     */
+    public function getUrl()
+    {
+        return $this->url;
+    }
+
+    /**
+     * Set link URL
+     *
+     * @access public
+     * @param  string $url
+     */
+    public function setUrl($url)
+    {
+        $this->url = $url;
+    }
+}

app/ExternalLink/BaseLinkProvider.php

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+<?php
+
+namespace Kanboard\ExternalLink;
+
+use Kanboard\Core\Base;
+
+/**
+ * Base Link Provider
+ *
+ * @package  externalLink
+ * @author   Frederic Guillot
+ */
+abstract class BaseLinkProvider extends Base
+{
+    /**
+     * User input
+     *
+     * @access protected
+     * @var string
+     */
+    protected $userInput = '';
+
+    /**
+     * Set text entered by the user
+     *
+     * @access public
+     * @param  string $input
+     */
+    public function setUserTextInput($input)
+    {
+        $this->userInput = trim($input);
+    }
+}

app/ExternalLink/FileLink.php

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+<?php
+
+namespace Kanboard\ExternalLink;
+
+use Kanboard\Core\ExternalLink\ExternalLinkInterface;
+
+/**
+ * File Link
+ *
+ * @package  externalLink
+ * @author   Frederic Guillot
+ */
+class FileLink extends BaseLink implements ExternalLinkInterface
+{
+    /**
+     * Get link title
+     *
+     * @access public
+     * @return string
+     */
+    public function getTitle()
+    {
+        $path = parse_url($this->url, PHP_URL_PATH);
+        return basename(str_replace('\\', '/', $path));
+    }
+}

app/ExternalLink/FileLinkProvider.php

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+<?php
+
+namespace Kanboard\ExternalLink;
+
+use Kanboard\Core\ExternalLink\ExternalLinkProviderInterface;
+
+/**
+ * File Link Provider
+ *
+ * @package  externalLink
+ * @author   Frederic Guillot
+ */
+class FileLinkProvider extends BaseLinkProvider implements ExternalLinkProviderInterface
+{
+    protected $excludedPrefixes= array(
+        'http',
+        'ftp',
+    );
+
+    /**
+     * Get provider name
+     *
+     * @access public
+     * @return string
+     */
+    public function getName()
+    {
+        return t('Local File');
+    }
+
+    /**
+     * Get link type
+     *
+     * @access public
+     * @return string
+     */
+    public function getType()
+    {
+        return 'file';
+    }
+
+    /**
+     * Get a dictionary of supported dependency types by the provider
+     *
+     * @access public
+     * @return array
+     */
+    public function getDependencies()
+    {
+        return array(
+            'related' => t('Related'),
+        );
+    }
+
+    /**
+     * Return true if the provider can parse correctly the user input
+     *
+     * @access public
+     * @return boolean
+     */
+    public function match()
+    {
+        if (strpos($this->userInput, '://') === false) {
+            return false;
+        }
+
+        foreach ($this->excludedPrefixes as $prefix) {
+            if (strpos($this->userInput, $prefix) === 0) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    /**
+     * Get the link found with the properties
+     *
+     * @access public
+     * @return \Kanboard\Core\ExternalLink\ExternalLinkInterface
+     */
+    public function getLink()
+    {
+        $link = new FileLink($this->container);
+        $link->setUrl($this->userInput);
+
+        return $link;
+    }
+}

app/ExternalLink/WebLink.php

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+<?php
+
+namespace Kanboard\ExternalLink;
+
+use Kanboard\Core\ExternalLink\ExternalLinkInterface;
+
+/**
+ * Web Link
+ *
+ * @package  externalLink
+ * @author   Frederic Guillot
+ */
+class WebLink extends BaseLink implements ExternalLinkInterface
+{
+    /**
+     * Get link title
+     *
+     * @access public
+     * @return string
+     */
+    public function getTitle()
+    {
+        if (! EXTERNAL_LINK_ALLOW_PRIVATE_NETWORKS && $this->httpClient->isPrivateURL($this->url)) {
+            $this->logger->info('Blocked attempt to fetch URL from private network: '.$this->url);
+            return $this->url;
+        }
+
+        // Do not follow redirects to prevent SSRF bypasses through redirect chains.
+        $html = $this->httpClient->get($this->url, [], false, false);
+
+        if (preg_match('/<title>(.*)<\/title>/siU', $html, $matches)) {
+            return trim($matches[1]);
+        }
+
+        $components = parse_url($this->url);
+
+        if (! empty($components['host']) && ! empty($components['path'])) {
+            return $components['host'].$components['path'];
+        }
+
+        return $this->url;
+    }
+}

app/ExternalLink/WebLinkProvider.php

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+<?php
+
+namespace Kanboard\ExternalLink;
+
+use Kanboard\Core\ExternalLink\ExternalLinkProviderInterface;
+
+/**
+ * Web Link Provider
+ *
+ * @package  externalLink
+ * @author   Frederic Guillot
+ */
+class WebLinkProvider extends BaseLinkProvider implements ExternalLinkProviderInterface
+{
+    /**
+     * Get provider name
+     *
+     * @access public
+     * @return string
+     */
+    public function getName()
+    {
+        return t('Web Link');
+    }
+
+    /**
+     * Get link type
+     *
+     * @access public
+     * @return string
+     */
+    public function getType()
+    {
+        return 'weblink';
+    }
+
+    /**
+     * Get a dictionary of supported dependency types by the provider
+     *
+     * @access public
+     * @return array
+     */
+    public function getDependencies()
+    {
+        return array(
+            'related' => t('Related'),
+        );
+    }
+
+    /**
+     * Return true if the provider can parse correctly the user input
+     *
+     * @access public
+     * @return boolean
+     */
+    public function match()
+    {
+        $startWithHttp = strpos($this->userInput, 'http://') === 0 || strpos($this->userInput, 'https://') === 0;
+        $validUrl = filter_var($this->userInput, FILTER_VALIDATE_URL);
+
+        return $startWithHttp && $validUrl;
+    }
+
+    /**
+     * Get the link found with the properties
+     *
+     * @access public
+     * @return \Kanboard\Core\ExternalLink\ExternalLinkInterface
+     */
+    public function getLink()
+    {
+        $link = new WebLink($this->container);
+        $link->setUrl($this->userInput);
+
+        return $link;
+    }
+}