Update readme, add SQL code, remove unused function in required.php
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Skylar Ittner
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database.mwb
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database.mwb
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-- MySQL Script generated by MySQL Workbench
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-- Fri 09 Jun 2017 03:48:51 AM MDT
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-- Model: New Model Version: 1.0
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-- MySQL Workbench Forward Engineering
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SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0;
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SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0;
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SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='TRADITIONAL,ALLOW_INVALID_DATES';
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-- -----------------------------------------------------
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-- Schema captcheck
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-- -----------------------------------------------------
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-- -----------------------------------------------------
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-- Schema captcheck
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-- -----------------------------------------------------
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CREATE SCHEMA IF NOT EXISTS `captcheck` DEFAULT CHARACTER SET utf8 ;
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USE `captcheck` ;
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-- -----------------------------------------------------
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-- Table `captcheck`.`answers`
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-- -----------------------------------------------------
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CREATE TABLE IF NOT EXISTS `captcheck`.`answers` (
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`aid` INT NOT NULL AUTO_INCREMENT,
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`aname` VARCHAR(45) NOT NULL,
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`aimg` VARCHAR(45) NOT NULL,
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PRIMARY KEY (`aid`),
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UNIQUE INDEX `aid_UNIQUE` (`aid` ASC))
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ENGINE = InnoDB;
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-- -----------------------------------------------------
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-- Table `captcheck`.`sessions`
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-- -----------------------------------------------------
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CREATE TABLE IF NOT EXISTS `captcheck`.`sessions` (
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`sid` INT NOT NULL AUTO_INCREMENT,
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`skey` VARCHAR(60) NOT NULL,
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`aid` INT NOT NULL,
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`expired` TINYINT(1) NOT NULL DEFAULT 0,
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`timestamp` DATETIME NOT NULL,
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PRIMARY KEY (`sid`),
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UNIQUE INDEX `sid_UNIQUE` (`sid` ASC),
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INDEX `fk_sessions_answers1_idx` (`aid` ASC),
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CONSTRAINT `fk_sessions_answers1`
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FOREIGN KEY (`aid`)
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REFERENCES `captcheck`.`answers` (`aid`)
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ON DELETE NO ACTION
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ON UPDATE NO ACTION)
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ENGINE = InnoDB;
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-- -----------------------------------------------------
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-- Table `captcheck`.`scrambled_answers`
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-- -----------------------------------------------------
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CREATE TABLE IF NOT EXISTS `captcheck`.`scrambled_answers` (
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`sid` INT NOT NULL,
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`aid` INT NOT NULL,
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`acode` VARCHAR(20) NOT NULL,
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INDEX `fk_sessions_has_answers_answers1_idx` (`aid` ASC),
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INDEX `fk_sessions_has_answers_sessions1_idx` (`sid` ASC),
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CONSTRAINT `fk_sessions_has_answers_sessions1`
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FOREIGN KEY (`sid`)
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REFERENCES `captcheck`.`sessions` (`sid`)
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ON DELETE NO ACTION
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ON UPDATE NO ACTION,
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CONSTRAINT `fk_sessions_has_answers_answers1`
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FOREIGN KEY (`aid`)
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REFERENCES `captcheck`.`answers` (`aid`)
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ON DELETE NO ACTION
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ON UPDATE NO ACTION)
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ENGINE = InnoDB;
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SET SQL_MODE=@OLD_SQL_MODE;
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SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS;
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SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS;
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-- -----------------------------------------------------
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-- Data for table `captcheck`.`answers`
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-- -----------------------------------------------------
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START TRANSACTION;
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USE `captcheck`;
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INSERT INTO `captcheck`.`answers` (`aid`, `aname`, `aimg`) VALUES (1, 'heart', 'heart');
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INSERT INTO `captcheck`.`answers` (`aid`, `aname`, `aimg`) VALUES (2, 'envelope', 'envelope');
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INSERT INTO `captcheck`.`answers` (`aid`, `aname`, `aimg`) VALUES (3, 'building', 'building');
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INSERT INTO `captcheck`.`answers` (`aid`, `aname`, `aimg`) VALUES (4, 'camera', 'camera');
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INSERT INTO `captcheck`.`answers` (`aid`, `aname`, `aimg`) VALUES (5, 'cloud', 'cloud');
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INSERT INTO `captcheck`.`answers` (`aid`, `aname`, `aimg`) VALUES (6, 'circle', 'circle');
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INSERT INTO `captcheck`.`answers` (`aid`, `aname`, `aimg`) VALUES (7, 'girl', 'female');
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INSERT INTO `captcheck`.`answers` (`aid`, `aname`, `aimg`) VALUES (8, 'boy', 'male');
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INSERT INTO `captcheck`.`answers` (`aid`, `aname`, `aimg`) VALUES (9, 'paper', 'file-o');
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INSERT INTO `captcheck`.`answers` (`aid`, `aname`, `aimg`) VALUES (10, 'smartphone', 'mobile');
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INSERT INTO `captcheck`.`answers` (`aid`, `aname`, `aimg`) VALUES (11, 'moon', 'moon-o');
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INSERT INTO `captcheck`.`answers` (`aid`, `aname`, `aimg`) VALUES (12, 'pencil', 'pencil');
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INSERT INTO `captcheck`.`answers` (`aid`, `aname`, `aimg`) VALUES (13, 'paint brush', 'paint-brush');
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INSERT INTO `captcheck`.`answers` (`aid`, `aname`, `aimg`) VALUES (14, 'airplane', 'plane');
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INSERT INTO `captcheck`.`answers` (`aid`, `aname`, `aimg`) VALUES (15, 'printer', 'print');
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INSERT INTO `captcheck`.`answers` (`aid`, `aname`, `aimg`) VALUES (16, 'puzzle piece', 'puzzle-piece');
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INSERT INTO `captcheck`.`answers` (`aid`, `aname`, `aimg`) VALUES (17, 'picture', 'picture-o');
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INSERT INTO `captcheck`.`answers` (`aid`, `aname`, `aimg`) VALUES (18, 'sun', 'sun-o');
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INSERT INTO `captcheck`.`answers` (`aid`, `aname`, `aimg`) VALUES (19, 'star', 'star');
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INSERT INTO `captcheck`.`answers` (`aid`, `aname`, `aimg`) VALUES (20, 'square', 'square');
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INSERT INTO `captcheck`.`answers` (`aid`, `aname`, `aimg`) VALUES (21, 'tree', 'tree');
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INSERT INTO `captcheck`.`answers` (`aid`, `aname`, `aimg`) VALUES (22, 'umbrella', 'umbrella');
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INSERT INTO `captcheck`.`answers` (`aid`, `aname`, `aimg`) VALUES (23, 'snowflake', 'snowflake-o');
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INSERT INTO `captcheck`.`answers` (`aid`, `aname`, `aimg`) VALUES (24, 'basket', 'shopping-basket');
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INSERT INTO `captcheck`.`answers` (`aid`, `aname`, `aimg`) VALUES (25, 'globe', 'globe');
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INSERT INTO `captcheck`.`answers` (`aid`, `aname`, `aimg`) VALUES (26, 'flag', 'flag');
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INSERT INTO `captcheck`.`answers` (`aid`, `aname`, `aimg`) VALUES (27, 'cube', 'cube');
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INSERT INTO `captcheck`.`answers` (`aid`, `aname`, `aimg`) VALUES (28, 'lightning', 'bolt');
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INSERT INTO `captcheck`.`answers` (`aid`, `aname`, `aimg`) VALUES (29, 'truck', 'truck');
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INSERT INTO `captcheck`.`answers` (`aid`, `aname`, `aimg`) VALUES (30, 'gear', 'cog');
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COMMIT;
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11
readme.md
11
readme.md
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@ -4,6 +4,7 @@ Captcheck
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Easy, light, self-hostable CAPTCHA service. Works on all modern browsers and
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IE9+. Uses icons from Font-Awesome.
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How to use
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----------
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@ -45,6 +46,16 @@ Example responses:
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`{"session":"some_session_id","result":false,"msg":"Answer incorrect."}`
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Installation
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------------
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1. Run composer install.
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2. Copy settings.template.php to settings.php and plug in your settings.
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3. Install the database.
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4. Customize captcheck.js with the correct api_url.
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5. Follow the How to Use section and the example setup in test.html and test.php.
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Execution Flow
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--------------
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32
required.php
32
required.php
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@ -84,38 +84,6 @@ function is_empty($str) {
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return (is_null($str) || !isset($str) || $str == '');
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}
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/*
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* http://stackoverflow.com/a/20075147/2534036
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*/
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if (!function_exists('base_url')) {
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function base_url($atRoot = FALSE, $atCore = FALSE, $parse = FALSE) {
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if (isset($_SERVER['HTTP_HOST'])) {
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$http = isset($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) !== 'off' ? 'https' : 'http';
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$hostname = $_SERVER['HTTP_HOST'];
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$dir = str_replace(basename($_SERVER['SCRIPT_NAME']), '', $_SERVER['SCRIPT_NAME']);
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$core = preg_split('@/@', str_replace($_SERVER['DOCUMENT_ROOT'], '', realpath(dirname(__FILE__))), NULL, PREG_SPLIT_NO_EMPTY);
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$core = $core[0];
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$tmplt = $atRoot ? ($atCore ? "%s://%s/%s/" : "%s://%s/") : ($atCore ? "%s://%s/%s/" : "%s://%s%s");
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$end = $atRoot ? ($atCore ? $core : $hostname) : ($atCore ? $core : $dir);
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$base_url = sprintf($tmplt, $http, $hostname, $end);
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} else
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$base_url = 'http://localhost/';
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if ($parse) {
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$base_url = parse_url($base_url);
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if (isset($base_url['path']))
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if ($base_url['path'] == '/')
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$base_url['path'] = '';
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}
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return $base_url;
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}
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}
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/**
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* Attempts to discover the user's IP address.
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