Add register_event endpoint

README.md

@@ -5,6 +5,7 @@ Daemon for retrieving Argon2 hashes for user pseudonymisation in vote result lis
 
 # API definition
 ## Get vote ID
+Retrieve hashes / vote IDs for a list of user names and a known event.
 ### REQUEST
 Request Headers - endpoint requires SSL client certificate
 ```http
@@ -34,3 +35,24 @@ Request Body
   [...]                   // repeats for all users listed in request
 ]
 ```
+## Register event
+### REQUEST
+Request Headers - endpoint requires SSL client certificate
+```http
+GET /register_event HTTP/1.1
+Host: abstimmidd.netzbegruenung.de
+Content-Type: application/json
+```
+Request Body
+```javascript
+{
+"event_token": String     // Secret event token to identify event
+}
+```
+### RESPONSE
+```javascript
+[
+"success": Bool           // Registration of event was successful
+]
+```
+

functions.php

@@ -32,6 +32,18 @@ function get_event_id($cfg, $token) {
     return $event_id;
 }
 
+function register_event($cfg) {
+    $body = json_decode(file_get_contents('php://input'));
+    $event_id = get_event_id($cfg, $body->event_token);
+    $event_token = $body->event_token;
+    $query = "INSERT INTO events (token) VALUES (?)";
+    $stmt = $cfg['mysqli']->prepare($query);
+    $stmt->bind_param("s", $event_token);
+    $stmt->execute();
+    $stmt->close();
+    return true;
+}
+
 function save_hash($cfg, $event_id, $vote_round, $name, $hash) {
     $query = "INSERT INTO hashes (event, vote_round, name, hash) VALUES (?, ?, ?, ?)";
     $stmt = $cfg['mysqli']->prepare($query);

php-public/index.php

@@ -7,6 +7,9 @@ header('Content-Type: application/json');
 if($_SERVER["REQUEST_URI"] == '/get_ids') {
     $data = get_voting_ids($cfg);
     echo json_encode($data);
+} else if($_SERVER["REQUEST_URI"] == '/register_event') {
+    $data = register_event($cfg);
+    echo json_encode($data);
 }
 else {
     echo json_encode(array("error" => "no route"));