api - login/out possible

2020-09-22 18:01:00 +02:00
parent 9371acec8c
commit cb840a8451
11 changed files with 602 additions and 11 deletions
--- a/api/database.php
+++ b/api/database.php
@@ -0,0 +1,157 @@
+<?php
+	
+	/*
+		
+		Mysql Database Support
+		----------------------
+		
+		Required defines:
+		- DB_HOST (STRING)
+		- DB_USER (STRING)
+		- DB_PASS (STRING)
+		- DB_DATABASE (STRING)
+		- DB_USE_UTF8 (BOOL)
+		- DB_CHANGE_TIME (BOOL)
+		
+		Required functions:
+		- logE (in /_global/log.php)
+		
+	*/
+	
+	$mysqli = mysqli_connect(DB_HOST, DB_USER, DB_PASS);
+	
+	if ($mysqli === false) {
+		logE("database", "Could not connect to database\n" . mysqli_connect_error);
+		die('Error: Could not connect to database');
+	}
+	
+	mysqli_select_db($mysqli, DB_DATABASE);
+	if (DB_USE_UTF8) {
+		mysqli_set_charset($mysqli, 'utf8');
+	}
+	
+	function db_get_data($mysqli, $table, $fields = '*', $where = false, $limit = false) {
+		$rest = '';
+		if ($where != false) {
+			$rest .= ' WHERE ' . $where;
+		}
+		if ($limit != false) {
+			$rest .= sprintf(' LIMIT %d', $limit);
+		}
+		$query = 'SELECT ' . $fields . ' FROM ' . mysqli_real_escape_string($mysqli, $table) . $rest . ';';
+		$response = mysqli_query($mysqli, $query);
+		
+		if ($response !== false) {
+			$result = array();
+			if ($response->num_rows > 0) {
+				$i = 0;
+				while ($row = $response->fetch_assoc()) {
+					if (isset($row['id'])) {
+						$id = $row['id'];
+					} else {
+						$id = $i;
+						$i ++;
+					}
+					foreach ($row as $key => $value) {
+						$result[$id][$key] = $value;
+					}
+				}
+			}
+			return $result;
+		} else {
+			logE("database", "get_data\nInvalid request\n" . $query . "\n" . mysqli_error($mysqli));
+			return false;
+		}
+	}
+	
+	function db_update_data($mysqli, $table, $data, $where, $limit = false) {
+		$rest = '';
+		if ($where != false) {
+			$rest .= ' WHERE ' . $where;
+		}
+		if ($limit != false) {
+			$rest .= sprintf(' LIMIT %d', $limit);
+		}
+		$set = '';
+		$first = true;
+		foreach ($data as $key => $value) {
+			if ($first) {
+				$first = false;
+			} else {
+				$set .= ', ';
+			}
+			if ($value === null) {
+				$set .= '`' . mysqli_real_escape_string($mysqli, $key) . '`=NULL';
+			} else {
+				$set .= '`' . mysqli_real_escape_string($mysqli, $key) . '`="' . mysqli_real_escape_string($mysqli, $value) . '"';
+			}
+		}
+		if (defined('DB_CHANGE_TIME')) $set .= ', `changed`=NOW()';
+		$query = 'UPDATE ' . mysqli_real_escape_string($mysqli, $table) . ' SET ' . $set . $rest . ';';
+		$response = mysqli_query($mysqli, $query);
+		
+		if ($response === false) {
+			logE("database", "update_data\nInvalid request\n" . $query . "\n" . mysqli_error($mysqli));
+		} elseif (defined('DB_CHANGE_TIME')) {
+			mysqli_query($mysqli, 'UPDATE `_updatetimes` SET `update`=NOW() WHERE `table`="' . mysqli_real_escape_string($mysqli, $table) . '";');
+		}
+		
+		return $response;
+	}
+	
+	function db_insert_data($mysqli, $table, $data) {
+		$fields = '';
+		$values = '';
+		$first = true;
+		foreach ($data as $key => $value) {
+			if ($first) {
+				$first = false;
+			} else {
+				$fields .= ', ';
+				$values .= ', ';
+			}
+			$fields .= '`' . mysqli_real_escape_string($mysqli, $key) . '`';
+			if ($value === null) {
+				$values .= 'NULL';
+			} else {
+				$values .= '"' . mysqli_real_escape_string($mysqli, $value) . '"';
+			}
+		}
+		if (defined('DB_CHANGE_TIME')) {
+			$fields .= ', `changed`';
+			$values .= ', NOW()';
+		}
+		$query = 'INSERT INTO `' . mysqli_real_escape_string($mysqli, $table) . '` (' . $fields . ') VALUES (' . $values . ');';
+		$response = mysqli_query($mysqli, $query);
+		if ($response === false) {
+			logE("database", "insert_data\nInvalid request\n" . $query . "\n" . mysqli_error($mysqli));
+		} else {
+			$response = mysqli_insert_id($mysqli);
+			if (defined('DB_CHANGE_TIME')) {
+				mysqli_query($mysqli, 'UPDATE `_updatetimes` SET `update`=NOW() WHERE `table`="' . mysqli_real_escape_string($mysqli, $table) . '";');
+			}
+		}
+		
+		return $response;
+	}
+	
+	function db_delete_data($mysqli, $table, $where, $limit = false) {
+		$rest = '';
+		if ($where != false) {
+			$rest .= ' WHERE ' . $where;
+		}
+		if ($limit != false) {
+			$rest .= sprintf(' LIMIT %d', $limit);
+		}
+		$query = 'DELETE FROM `' . mysqli_real_escape_string($mysqli, $table) . '`' . $rest . ';';
+		$response = mysqli_query($mysqli, $query);
+		if ($response === false) {
+			logE("database", "delete_data\nInvalid request\n" . $query . "\n" . mysqli_error($mysqli));
+		} elseif (defined('DB_CHANGE_TIME')) {
+			mysqli_query($mysqli, 'UPDATE `_updatetimes` SET `update`=NOW() WHERE `table`="' . mysqli_real_escape_string($mysqli, $table) . '";');
+		}
+		
+		return $response;
+	}
+	
+?>