complete redesign: use nodejs on server instead of php - documentation to be updated

nodejs/database/config.json

@@ -0,0 +1,7 @@
+{
+        "host"              : "localhost",
+        "user"              : "root",
+        "port"              : 8654,
+        "password"          : "ert456",
+        "database"          : "safechat"
+}

nodejs/database/index.js

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+module.exports = function() {
+    var mysql = require('mysql');
+    var fs = require('fs');
+    var config = require(__dirname+'/config.json');
+    config.multipleStatements = true;
+    var pool = mysql.createPool(config);
+    
+    pool.query(fs.readFileSync(__dirname+'/schema.sql').toString());
+    
+    return pool;
+};

nodejs/database/schema.sql

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+CREATE TABLE IF NOT EXISTS `user` (
+  `name` varchar(50) NOT NULL UNIQUE COMMENT 'unique name of the user',
+  `pubkey` text NOT NULL COMMENT 'armored gnupg public key of the user',
+  PRIMARY KEY (`name`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8 COMMENT='list of all registered users and their public keys';
+create table if not exists `message` (
+        `id`
+          int not null auto_increment
+          comment "id of the message, it is used in the client to check if a message has already been downloaded or not",
+        `time`
+          timestamp default current_timestamp
+          comment "time when the message has been stored on the server",
+        `user`
+          varchar(50) not null
+          comment "name of the user that sent the message",
+        `msg`
+          longtext not null
+          comment "message content, must be armored gnupg encrypted format",
+        primary key (id),
+        foreign key (user)
+          references user(name)
+          on delete cascade
+          on update cascade
+      ) character set utf8 engine=innodb
+        comment="table to hold all messages for later download by the receiver";
+create table if not exists options (
+       name varchar(50) not null unique comment "option name",
+       value text not null comment "option value",
+       primary key (name)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8 comment="table for system settings";