2 files changed, 241 insertions, 0 deletions
diff --git a/vendor/sabre/dav/.github/workflows/ci.yml b/vendor/sabre/dav/.github/workflows/ci.yml
new file mode 100644
index 000000000..f41b38535
--- /dev/null
+++ b/vendor/sabre/dav/.github/workflows/ci.yml
@@ -0,0 +1,127 @@
+name: continuous-integration
+on:
+  push:
+    branches:
+      - master
+      - release/*
+  pull_request:
+
+jobs:
+  code-analysis:
+    runs-on: ubuntu-latest
+    name: Code Analysis (PHP ${{ matrix.php-versions }})
+    strategy:
+      fail-fast: false
+      matrix:
+        php-versions: [ '7.4' ]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Setup PHP, with composer and extensions
+        uses: shivammathur/setup-php@v2 #https://github.com/shivammathur/setup-php
+        with:
+          php-version: ${{ matrix.php-versions }}
+          extensions: mbstring, dom, fileinfo, mysql, redis, opcache
+          tools: composer
+
+      - name: Get composer cache directory
+        id: composer-cache
+        run: echo "::set-output name=dir::$(composer config cache-files-dir)"
+
+      - name: Cache composer dependencies
+        uses: actions/cache@v2
+        with:
+          path: ${{ steps.composer-cache.outputs.dir }}
+          # Use composer.json for key, if composer.lock is not committed.
+          # key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.json') }}
+          key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
+          restore-keys: ${{ runner.os }}-composer-
+
+      - name: Install Composer dependencies
+        run: composer install --no-progress --prefer-dist --optimize-autoloader
+
+      - name: PHP CS-Fixer
+        run: php vendor/bin/php-cs-fixer fix --dry-run --diff
+
+      - name: PHPStan
+        run: composer phpstan
+
+  unit-testing:
+    name: PHPUnit (PHP ${{ matrix.php-versions }})
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        php-versions: [ '7.1', '7.2', '7.3', '7.4', '8.0' ]
+        coverage: [ 'none' ]
+        streaming: [ false ]
+        include:
+          - php-versions: '8.1'
+            coverage: 'pcov'
+            streaming: true
+
+    services:
+      mariadb:
+        image: mariadb
+        env:
+          MARIADB_DATABASE: 'sabredav_test'
+          MARIADB_ROOT_PASSWORD: root
+        ports:
+          - 3306:3306
+      postgres:
+        image: postgres
+        env:
+          POSTGRES_DB: 'sabredav_test'
+          POSTGRES_PASSWORD: postgres
+        ports:
+          - 5432:5432
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Setup PHP, with composer and extensions
+        uses: shivammathur/setup-php@v2 #https://github.com/shivammathur/setup-php
+        with:
+          php-version: ${{ matrix.php-versions }}
+          extensions: mbstring, dom, fileinfo, pdo_sqlite, pgsql, mysql, redis, opcache
+          coverage: ${{ matrix.coverage }}
+          tools: composer
+
+      - name: Get composer cache directory
+        id: composer-cache
+        run: echo "::set-output name=dir::$(composer config cache-files-dir)"
+
+      - name: Cache composer dependencies
+        uses: actions/cache@v2
+        with:
+          path: ${{ steps.composer-cache.outputs.dir }}
+          # Use composer.json for key, if composer.lock is not committed.
+          # key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.json') }}
+          key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
+          restore-keys: ${{ runner.os }}-composer-
+
+      - name: Install Composer dependencies
+        run: composer install --no-progress --prefer-dist --optimize-autoloader
+
+      - name: PHPUnit
+        if: matrix.streaming == false
+        run: vendor/bin/phpunit --verbose --configuration tests/phpunit.xml --coverage-clover=coverage.xml
+        env:
+          SABRE_MYSQLUSER: root
+          SABRE_MYSQLPASS: root
+          SABRE_MYSQLDSN: "mysql:host=127.0.0.1;port=3306;dbname=sabredav_test"
+          SABRE_PGSQLDSN: "pgsql:host=127.0.0.1;port=5432;dbname=sabredav_test;user=postgres;password=postgres"
+
+      - name: PHPUnit (with streaming)
+        if: matrix.streaming == true
+        run: vendor/bin/phpunit --verbose --configuration tests/phpunit.xml --coverage-clover=coverage.xml
+        env:
+          SABRE_MYSQLUSER: root
+          SABRE_MYSQLPASS: root
+          SABRE_MYSQLDSN: "mysql:host=127.0.0.1;port=3306;dbname=sabredav_test"
+          SABRE_PGSQLDSN: "pgsql:host=127.0.0.1;port=5432;dbname=sabredav_test;user=postgres;password=postgres"
+          RUN_TEST_WITH_STREAMING_PROPFIND: "true"
+
+      - uses: codecov/codecov-action@v2
+        if: matrix.coverage != 'none'
diff --git a/vendor/sabre/dav/lib/DAV/Auth/Backend/PDOBasicAuth.php b/vendor/sabre/dav/lib/DAV/Auth/Backend/PDOBasicAuth.php
new file mode 100644
index 000000000..39324e4db
--- /dev/null
+++ b/vendor/sabre/dav/lib/DAV/Auth/Backend/PDOBasicAuth.php
@@ -0,0 +1,114 @@
+<?php
+
+namespace Sabre\DAV\Auth\Backend;
+
+/**
+ * This is an authentication backend that uses a database to manage passwords.
+ *
+ * @copyright Copyright (C) fruux GmbH (https://fruux.com/)
+ * @license http://sabre.io/license/ Modified BSD License
+ */
+class PDOBasicAuth extends AbstractBasic
+{
+    /**
+     * Reference to PDO connection.
+     *
+     * @var PDO
+     */
+    protected $pdo;
+
+    /**
+     * PDO table name we'll be using.
+     *
+     * @var string
+     */
+    protected $tableName;
+
+    /**
+     * PDO digest column name we'll be using
+     * (i.e. digest, password, password_hash).
+     *
+     * @var string
+     */
+    protected $digestColumn;
+
+    /**
+     * PDO uuid(unique user identifier) column name we'll be using
+     * (i.e. username, email).
+     *
+     * @var string
+     */
+    protected $uuidColumn;
+
+    /**
+     * Digest prefix:
+     * if the backend you are using for is prefixing
+     * your password hashes set this option to your prefix to
+     * cut it off before verfiying.
+     *
+     * @var string
+     */
+    protected $digestPrefix;
+
+    /**
+     * Creates the backend object.
+     *
+     * If the filename argument is passed in, it will parse out the specified file fist.
+     */
+    public function __construct(\PDO $pdo, array $options = [])
+    {
+        $this->pdo = $pdo;
+        if (isset($options['tableName'])) {
+            $this->tableName = $options['tableName'];
+        } else {
+            $this->tableName = 'users';
+        }
+        if (isset($options['digestColumn'])) {
+            $this->digestColumn = $options['digestColumn'];
+        } else {
+            $this->digestColumn = 'digest';
+        }
+        if (isset($options['uuidColumn'])) {
+            $this->uuidColumn = $options['uuidColumn'];
+        } else {
+            $this->uuidColumn = 'username';
+        }
+        if (isset($options['digestPrefix'])) {
+            $this->digestPrefix = $options['digestPrefix'];
+        }
+    }
+
+    /**
+     * Validates a username and password.
+     *
+     * This method should return true or false depending on if login
+     * succeeded.
+     *
+     * @param string $username
+     * @param string $password
+     *
+     * @return bool
+     */
+    public function validateUserPass($username, $password)
+    {
+        $stmt = $this->pdo->prepare('SELECT '.$this->digestColumn.' FROM '.$this->tableName.' WHERE '.$this->uuidColumn.' = ?');
+        $stmt->execute([$username]);
+        $result = $stmt->fetchAll();
+
+        if (!count($result)) {
+            return false;
+        } else {
+            $digest = $result[0][$this->digestColumn];
+
+            if (isset($this->digestPrefix)) {
+                $digest = substr($digest, strlen($this->digestPrefix));
+            }
+
+            if (password_verify($password, $digest)) {
+                return true;
+            }
+
+            return false;
+        }
+    }
+}