2 files changed, 127 insertions, 0 deletions
diff --git a/src/lib/error.handler.inc.php b/src/lib/error.handler.inc.php
new file mode 100644
index 0000000..9518e4b
--- /dev/null
+++ b/src/lib/error.handler.inc.php
@@ -0,0 +1,44 @@
+<?php
+
+function initTheDevStackErrorHandler($logfile) {
+  // Save the log file name to constant for the error handler
+  define("LOGFILE", $logfile);
+  // Custom error handler that writes to a file
+  set_error_handler("theDevStackErrorHandler");
+}
+
+/**
+ * Error handler to write all messages to a dedicated log file.
+ */
+function theDevStackErrorHandler($errno, $errstr, $errfile, $errline) {
+    if (!(error_reporting() & $errno)) {
+        // This error code is not included in error_reporting
+        return;
+    }
+    $date = date(DATE_W3C);
+    $str = "$date ";
+
+    switch ($errno) {
+        case E_USER_ERROR:
+            $str .= "ERROR [$errno]: $errstr, Fatal error on line $errline in file $errfile\n";
+            break;
+
+        case E_USER_WARNING:
+            $str .= "WARNING [$errno]: $errstr\n";
+            break;
+
+        case E_USER_NOTICE:
+            $str .= "NOTICE [$errno]: $errstr\n";
+            break;
+
+        default:
+            $str .= "Unknown error type: [$errno] $errstr\n";
+            break;
+    }
+
+    file_put_contents(LOGFILE, $str, FILE_APPEND);
+
+    /* Don't execute PHP internal error handler */
+    return true;
+}
+?>
+\ No newline at end of file
diff --git a/src/lib/functions.http.inc.php b/src/lib/functions.http.inc.php
new file mode 100644
index 0000000..44296b5
--- /dev/null
+++ b/src/lib/functions.http.inc.php
@@ -0,0 +1,83 @@
+<?php
+/*
+ *
+ * This file contains functions to be used to
+ * extract information based on http request information.
+ *
+ */
+ 
+/**
+ * Inspired by https://github.com/owncloud/core/blob/master/lib/private/appframework/http/request.php#L523
+ */
+function getServerProtocol() {
+  if (isset($_SERVER['HTTP_X_FORWARDED_PROTO'])) {
+      if (strpos($_SERVER['HTTP_X_FORWARDED_PROTO'], ',') !== false) {
+          $parts = explode(',', $_SERVER['HTTP_X_FORWARDED_PROTO']);
+          $proto = strtolower(trim($parts[0]));
+      } else {
+          $proto = strtolower($_SERVER['HTTP_X_FORWARDED_PROTO']);
+      }
+      // Verify that the protocol is always HTTP or HTTPS
+      // default to http if an invalid value is provided
+      return $proto === 'https' ? 'https' : 'http';
+  }
+  if (isset($_SERVER['HTTPS'])
+      && $_SERVER['HTTPS'] !== null
+      && $_SERVER['HTTPS'] !== 'off'
+      && $_SERVER['HTTPS'] !== '') {
+      return 'https';
+  }
+  return 'http';
+}
+
+function getRequestHostname() {
+  if (isset($_SERVER['HTTP_X_FORWARDED_HOST'])) {
+    return strtolower($_SERVER['HTTP_X_FORWARDED_HOST']);
+  }
+  return strtolower($_SERVER['HTTP_HOST']);
+}
+
+function getRequestUriWithoutFilename() {
+  return strtolower(substr($_SERVER['REQUEST_URI'], 0, strrpos($_SERVER['REQUEST_URI'], '/') + 1));
+}
+
+function sendHttpReturnCodeAndJson($code, $data) {
+  if (!is_array($data)) {
+    $data = ['msg' => $data];
+  }
+  header('Content-Type: application/json');
+  sendHttpReturnCodeAndMessage($code, json_encode($data));
+}
+
+function sendHttpReturnCodeAndMessage($code, $text = '') {
+  http_response_code($code);
+  exit($text);
+}
+
+function getOptionalPostParameter($parameterName, $default = NULL) {
+  $parameter = $_POST[$parameterName];
+  if (!isset($parameter) || is_null($parameter) || empty($parameter)) {
+    $parameter = $default;
+  }
+  return $parameter;
+}
+
+function getMandatoryPostParameter($parameterName, $message = '', $json = false) {
+  $parameter = $_POST[$parameterName];
+  if (!isset($parameter) || is_null($parameter) || empty($parameter)) {
+    if (empty($message)) {
+      if ($json) {
+        $message = ['msg' => 'Missing parameter.', 'parameters' => ['missing_parameter' => $parameterName]];
+      } else {
+        $message = 'Missing mandatory parameter "'.$parameterName.'".';
+      }
+    }
+    if (!$json) {
+      sendHttpReturnCodeAndMessage(400, $message);
+    } else {
+      sendHttpReturnCodeAndJson(400, $message);
+    }
+  }
+  return $parameter;
+}
+?>
+\ No newline at end of file