Send timestamp with request

examples/scn_send.sh

@@ -21,6 +21,7 @@ user_key="????????????????????????????????????????????????????????????????"
 
 title=$1
 content=""
+sendtime=$(date +%s)
 
 if [ "$#" -gt 1 ]; then
     content=$2
@@ -37,7 +38,7 @@ usr_msg_id=$(uuidgen)
 while true ; do
 
     curlresp=$(curl -s -o /dev/null -w "%{http_code}" \
-                    -d "user_id=$user_id" -d "user_key=$user_key" -d "title=$title" \
+                    -d "user_id=$user_id" -d "user_key=$user_key" -d "title=$title" -d "timestamp=$sendtime" \
                     -d "content=$content" -d "priority=$priority" -d "msg_id=$usr_msg_id" \
                     https://scn.blackforestbytes.com/send.php)
     

web/api/model.php

@@ -16,6 +16,7 @@ class ERR
 	const TITLE_TOO_LONG          = 1202;
 	const CONTENT_TOO_LONG        = 1203;
 	const USR_MSG_ID_TOO_LONG     = 1204;
+	const TIMESTAMP_OUT_OF_RANGE  = 1205;
 
 	const USER_NOT_FOUND          = 1301;
 	const USER_AUTH_FAILED        = 1302;

web/api/schema.sql

@@ -23,12 +23,13 @@ CREATE TABLE `messages`
 	`scn_message_id`     INT(11)         NOT NULL   AUTO_INCREMENT,
 	`sender_user_id`     INT(11)         NOT NULL,
 
-	`timestamp`          DATETIME        NOT NULL   DEFAULT CURRENT_TIMESTAMP,
+	`timestamp_real`     DATETIME        NOT NULL   DEFAULT CURRENT_TIMESTAMP,
 	`ack`                BIT             NOT NULL   DEFAULT 0,
 
 	`title`              VARCHAR(256)    NOT NULL,
 	`content`            VARCHAR(12288)      NULL,
 	`priority`           INT(11)         NOT NULL,
+	`sendtime`           BIGINT UNSIGNED NOT NULL,
 
 	`fcm_message_id`     VARCHAR(256)        NULL,
 	`usr_message_id`     VARCHAR(256)        NULL,

web/api_more.php

@@ -198,6 +198,25 @@ if (file_exists('/var/www/openwebanalytics/owa_php.php'))
             </p>
         </div>
 
+        <h2>Custom Time</h2>
+        <div class="section">
+            <p>
+                You can modify the displayed timestamp of a message by sending the <code>timestamp</code> parameter. The format must be a valid UNIX timestamp (elapsed seconds since 1970-01-01 GMT)
+            </p>
+            <p>
+                But the custom timestamp must be within 48 hoours of the current time. This parameter is only intended to supply a more precise value in case the message sending was delayed
+            </p>
+            <pre>curl                                          \
+    --data "user_id={userid}"                 \
+    --data "user_key={userkey}"               \
+    --data "title={message_title}"            \
+    --data "timestamp={unix_timestamp}"       \
+    https://scn.blackforestbytes.com/send.php</pre>
+            <p>
+                Be aware that the server only saves send messages for a short amount of time. Because of that you can only use this to prevent duplicates in a short time-frame, older messages with the same ID are probably already deleted and the message will be send again.
+            </p>
+        </div>
+
         <h2>Bash script example</h2>
         <div class="section">
             <p>
@@ -227,6 +246,7 @@ user_key=<span style="color:#2a00ff; ">"????????????????????????????????????????
 
 title=$1
 content=<span style="color:#2a00ff; ">""</span>
+sendtime=$(date +%s)
 
 <span style="color:#7f0055; font-weight:bold; ">if</span> [ <span style="color:#2a00ff; ">"$#"</span> -gt 1 ]; <span style="color:#7f0055; font-weight:bold; ">then</span>
     content=$2
@@ -243,7 +263,7 @@ usr_msg_id=$(uuidgen)
 <span style="color:#7f0055; font-weight:bold; ">while</span> true ; <span style="color:#7f0055; font-weight:bold; ">do</span>
 
     curlresp=$(curl -s -o <span style="color:#3f3fbf; ">/dev/null</span> -w <span style="color:#2a00ff; ">"%{http_code}"</span> <span style="color:#2a00ff; ">\</span>
-                    -d <span style="color:#2a00ff; ">"</span><span style="color:#2a00ff; ">user_id</span><span style="color:#2a00ff; ">=</span><span style="color:#2a00ff; ">$user_id</span><span style="color:#2a00ff; ">"</span> -d <span style="color:#2a00ff; ">"</span><span style="color:#2a00ff; ">user_key</span><span style="color:#2a00ff; ">=</span><span style="color:#2a00ff; ">$user_key</span><span style="color:#2a00ff; ">"</span> -d <span style="color:#2a00ff; ">"</span><span style="color:#2a00ff; ">title</span><span style="color:#2a00ff; ">=</span><span style="color:#2a00ff; ">$title</span><span style="color:#2a00ff; ">"</span> <span style="color:#2a00ff; ">\</span>
+                    -d <span style="color:#2a00ff; ">"</span><span style="color:#2a00ff; ">user_id</span><span style="color:#2a00ff; ">=</span><span style="color:#2a00ff; ">$user_id</span><span style="color:#2a00ff; ">"</span> -d <span style="color:#2a00ff; ">"</span><span style="color:#2a00ff; ">user_key</span><span style="color:#2a00ff; ">=</span><span style="color:#2a00ff; ">$user_key</span><span style="color:#2a00ff; ">"</span> -d <span style="color:#2a00ff; ">"</span><span style="color:#2a00ff; ">title</span><span style="color:#2a00ff; ">=</span><span style="color:#2a00ff; ">$title</span><span style="color:#2a00ff; ">"</span> -d <span style="color:#2a00ff; ">"</span><span style="color:#2a00ff; ">timestamp</span><span style="color:#2a00ff; ">=</span><span style="color:#2a00ff; ">$sendtime</span><span style="color:#2a00ff; ">"</span> <span style="color:#2a00ff; ">\</span>
                     -d <span style="color:#2a00ff; ">"</span><span style="color:#2a00ff; ">content</span><span style="color:#2a00ff; ">=</span><span style="color:#2a00ff; ">$content</span><span style="color:#2a00ff; ">"</span> -d <span style="color:#2a00ff; ">"</span><span style="color:#2a00ff; ">priority</span><span style="color:#2a00ff; ">=</span><span style="color:#2a00ff; ">$priority</span><span style="color:#2a00ff; ">"</span> -d <span style="color:#2a00ff; ">"</span><span style="color:#2a00ff; ">msg_id</span><span style="color:#2a00ff; ">=</span><span style="color:#2a00ff; ">$usr_msg_id</span><span style="color:#2a00ff; ">"</span> <span style="color:#2a00ff; ">\</span>
                     https:<span style="color:#3f3fbf; ">/</span><span style="color:#3f3fbf; ">/scn.blackforestbytes.com/send.php</span>)
 

web/send.php

@@ -5,8 +5,6 @@ include_once 'api/model.php';
 try
 {
 
-//------------------------------------------------------------------
-//sleep(1);
 //------------------------------------------------------------------
 
 	if ($_SERVER['REQUEST_METHOD'] !== 'POST') api_return(400, ['success' => false, 'error' =>  ERR::REQ_METHOD, 'errhighlight' => -1, 'message' => 'Invalid request method (must be POST)']);
@@ -19,16 +17,18 @@ try
 
 //------------------------------------------------------------------
 
-
 	$user_id  = $INPUT['user_id'];
 	$user_key = $INPUT['user_key'];
 	$message  = $INPUT['title'];
 	$content  = isset($INPUT['content'])   ? $INPUT['content']   : '';
 	$priority = isset($INPUT['priority'])  ? $INPUT['priority']  : '1';
 	$usrmsgid = isset($INPUT['msg_id'])    ? $INPUT['msg_id']    : null;
+	$time     = isset($INPUT['timestamp']) ? $INPUT['timestamp'] : time();
 
 //------------------------------------------------------------------
 
+	if (abs($time - time()) > 60*60*24*2) api_return(400, ['success' => false, 'error' => ERR::TIMESTAMP_OUT_OF_RANGE, 'errhighlight' => -1,  'message' => 'The timestamp mus be within 24 hours of now()']);
+
 	if ($priority !== '0' && $priority !== '1' && $priority !== '2') api_return(400, ['success' => false, 'error' => ERR::INVALID_PRIO, 'errhighlight' => 105, 'message' => 'Invalid priority']);
 
 	if (strlen(trim($message)) == 0)                 api_return(400, ['success' => false, 'error' => ERR::NO_TITLE,            'errhighlight' => 103, 'message' => 'No title specified']);
@@ -95,13 +95,14 @@ try
 	$pdo->beginTransaction();
 
 
-	$stmt = $pdo->prepare('INSERT INTO messages (sender_user_id, title, content, priority, fcm_message_id, usr_message_id) VALUES (:suid, :t, :c, :p, :fmid, :umid)');
+	$stmt = $pdo->prepare('INSERT INTO messages (sender_user_id, title, content, priority, sendtime, fcm_message_id, usr_message_id) VALUES (:suid, :t, :c, :p, :ts, :fmid, :umid)');
 	$stmt->execute(
 	[
 		'suid' => $user_id,
 		't'    => $message,
 		'c'    => $content,
 		'p'    => $priority,
+		'ts'   => $time,
 		'fmid' => null,
 		'umid' => $usrmsgid,
 	]);
@@ -125,7 +126,7 @@ try
 			'body'       => str_limit($content, 1900),
 			'trimmed'    => (strlen($content) > 1900),
 			'priority'   => $priority,
-			'timestamp'  => time(),
+			'timestamp'  => $time,
 			'usr_msg_id' => $usrmsgid,
 			'scn_msg_id' => $scn_msg_id,
 		]