Removed database initialization code and instead used the function defined in db.inc.php

Added code to include Tailwind CSS file with this file
Created directory for fonts
2023-06-25 14:09:30 -05:00 · 2023-06-25 14:08:56 -05:00 · 2023-06-25 14:08:32 -05:00 · 2023-06-25 14:08:15 -05:00 · 2023-06-25 14:08:03 -05:00 · 2023-06-25 14:07:19 -05:00
15 changed files with 2543 additions and 122 deletions
--- a/checkloc.php
+++ b/checkloc.php
@@ -0,0 +1,75 @@
+<?php
+	session_start();
+	require_once 'db.inc.php';
+	if (isset($_SESSION['glink']) && !empty($_SESSION['glink'])) {
+		session_unset();
+		session_destroy();
+	} else {
+		http_response_code(403);
+		die('Forbidden.');
+	}
+	// FUNCTION TO CALCULATE HAVERSINE DISTANCE GIVEN COORDINATES OF
+	// TWO POINTS, AND RADIUS (IN KM)
+	function haversine_distance($lat1, $long1, $lat2, $long2, $radius) {
+		$term_1 = $lat2 - $lat1;
+		$term_1 = $term_1 / 2;
+		$term_1 = sin($term_1);
+		$term_1 = pow($term_1, 2);
+
+		$term_2 = $long2 - $long1;
+		$term_2 = $term_2 / 2;
+		$term_2 = sin($term_2);
+		$term_2 = pow($term_2, 2);
+		$term_2 = $term_2 * cos($lat1);
+		$term_2 = $term_2 * cos($lat2);
+
+		$distance = $term_1 + $term_2;
+		$distance = sqrt($distance);
+		$distance = asin($distance);
+		$distance = $distance * 2;
+		$distance = $distance * $radius;
+
+		return $distance;
+	}
+
+
+	function km_to_miles($distance) {
+		return $distance * 0.62137119;
+	}
+
+
+	$user_lat = $_GET["latitude"];
+	$user_lat = $user_lat * (M_PI / 180);
+	$user_long = $_GET["longitude"];
+	$user_long = $user_long * (M_PI / 180);
+	$glink = $_GET["glink"];
+
+	$session = init_cass_db();
+
+	$statement = $session->prepare('SELECT latitude,longitude,radius,url FROM data WHERE shortlink=? ALLOW FILTERING;');
+	$result = $session->execute($statement,array('arguments' => array($glink)));
+
+	$link_lat = floatval($result[0]['latitude']);
+	$link_lat = $link_lat * (M_PI / 180);
+	$link_long = floatval($result[0]['longitude']);
+	$link_long = $link_long * (M_PI / 180);
+	$target_radius = intval($result[0]['radius']);
+
+	$url = $result[0]['url'];
+
+	$distance = haversine_distance($link_lat, $link_long, $user_lat, $user_long, 6371.009);
+	$distance = km_to_miles($distance);
+
+	if ($distance <= $target_radius) {
+		printf("%s",$url);
+	} else {
+		printf("B");
+	}
+
+	// Check the database to see if user is allowed to access the URL. If they are, respond 'Yes' (for the time being), if they are not, respond 'No' (for the time being).
+
+	// To check if the user is allowed to access the URL, check if the distance between their location and the location in the database is less than the radius. To compute the
+	// distance, use something like Haversine Forumla.
+
+
+?>
--- a/db.inc.php
+++ b/db.inc.php
@@ -0,0 +1,9 @@
+<?php
+	function init_cass_db() {
+		$cluster = Cassandra::cluster()->withPersistentSessions(true)->build();
+		$keyspace = 'glink';
+		$session = $cluster->connect($keyspace);
+
+		return $session;
+	}
+?>
--- a/fonts/ArchivoBlack-Regular.ttf
+++ b/fonts/ArchivoBlack-Regular.ttf
--- a/index.html
+++ b/index.html
@@ -1,31 +1,66 @@
 <html>
 <head>
    <title>GLink</title>
-    <link rel="stylesheet" href="index.css">
-
+    <meta charset="UTF-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <link rel="stylesheet" href="output.css">
 </head>
-<body>
+<body class="bg-gray-50">
+<h1 class="ml-4 text-5xl font-narrow">Link Shortener</h1>
+<p class="ml-4 font-fingerpaint">Hello There!</p>
 <div id="root">
-    <h1>Link Shortener</h1>
   <form id="form" method="GET" action="result.php" onsubmit="return validate()">

-<!--	<form id="form"> -->
-        <label for="url">URL:</label><span class="mandatory">*</span>
-        <input type="text" name="url" id="URL" value="https://example.com" required><br><br>
+        <div class="flex flex-wrap">
+            <label for="URL" class="text-2xl ml-4 font-rubik self-center">URL</label>
+            <span class="mandatory font-rubik self-center text-2xl">*</span>
+            <span class="font-rubik self-center m-1 text-2xl">:</span>
+            <div class="p-0.5 m-4 rounded-lg max-w-sm bg-gradient-to-r from-cyan-500 to-cyan-500 focus-within:from-rose-400 focus-within:via-fuchsia-500 focus-within:to-indigo-500 focus-within:caret-gray-600 focus-within:p-[3.2px]">
+                <input type="text" name="url" id="URL" placeholder="https://example.com" required class="p-2 w-full rounded-lg focus:outline-none text-center text-lg text-black font-bold">
+            </div>
+        </div>

-        <label for="labels">GLink:</label><span class="mandatory">*</span>
-        <label for="GLink" id="labels" class="glink">glink.zip/</label><input type="text" name="glink" id="GLink" class="glink" value="exampleWebsite" required>
+        <div class="flex flex-wrap">
+            <label for="labels" class="text-2xl ml-4 font-rubik self-center">GLink</label>
+            <span class="mandatory font-rubik text-2xl self-center">*</span>
+            <span class="font-rubik self-center m-1 text-2xl">:</span>
+            <label for="GLink" id="labels" class=" ml-2 glink text-center text-xl self-center">glink.zip/</label>
+            <div class="p-0.5 ml-2 mr-4 my-4 rounded-lg max-w-sm bg-gradient-to-r from-cyan-500 to-cyan-500 focus-within:from-rose-400 focus-within:via-fuchsia-500 focus-within:to-indigo-500 focus-within:caret-gray-600 focus-within:p-[3.2px]">
+                <input type="text" name="glink" id="GLink" class="glink p-2 w-full rounded-lg focus:outline-none text-center text-lg text-black font-bold" placeholder="exampleWebsite">
+            </div>
+        </div>

-        <span role="alert" id="error" aria-hidden="true">Invalid URL</span>
+        <label for="restricted" class="ml-4 self-center text-2xl font-rubik lg:invisible">Geo-restricted? : </label><input type="checkbox" name="restricted" id="restricted" class="ml-2 mr-4 my-4 text-center font-rubik ease-soft rounded-1.4 w-6 h-6 cursor-pointer checked:accent-blue-700 shadow-lg shadow-black/50 peer"><span id="loadingText" class="font-rubik self-center text-center text-xl" style="position: relative; left: 20px;"></span>
+
+        <span class="flex flex-wrap invisible peer-checked:visible" id="js-enabled">
+            <label for="radiusSelect" id="radius_label" class="ml-4 font-rubik text-2xl self-center">Radius</label><span id="mandatory-radius" class="mandatory font-rubik text-2xl self-center">*</span><span class="font-rubik self-center m-1 text-2xl">:</span>
+            <div class="p-0.5 ml-2 mr-4 my-4 rounded-lg max-w-sm bg-gradient-to-r from-cyan-500 to-cyan-500 focus-within:from-rose-400 focus-within:via-fuchsia-500 focus-within:to-indigo-500 focus-within:p-[3.2px]">
+                <select name="radius" id="radius" class="cursor-pointer text-lg p-2 w-full rounded-lg focus:outline-none invalid:text-gray-400 font-bold">
+                    <option value="" selected disabled hidden>Choose a radius for your geo link</option>
+                    <option value="5">5 mi</option>
+                    <option value="10">10 mi</option>
+                    <option value="15">15 mi</option>
+                    <option value="20">20 mi</option>
+                </select>
+            </div>
+        </span>
+        <noscript>
+            <style>
+                #js-enabled {display: none;}
+            </style>
+        </noscript>
+        <span role="alert" class="m-4 font-rubik" id="error" aria-hidden="true">Invalid entry</span>
+        <input type="submit" id="button" value="Zip It!" class="brightness-125 ml-4 font-rubik bg-gradient-to-r from-cyan-500 to-blue-500 shadow-lg shadow-black/50 transition hover:-translate-y-1 hover:scale-105 duration-600 ease-in-out rounded-full cursor-pointer">
+        <input type="hidden" name="latitude" id="latitude">
+        <input type="hidden" name="longitude" id="longitude">

-        <br><br>
-        <input type="submit" id="button" value="Zip It!">
    </form>
    <hr>
-    <div>
-        <img src="cat.gif">
-    </div>
-    <script src="index.js"></script>
+    <img src="./cat.gif">
+    <p id="footer" class="object-none object-bottom">Insert Footer Here</p>
+    <script src="./index.js"></script>
+
 </div>
 </body>
 </html>
--- a/index.js
+++ b/index.js
@@ -1,74 +1,175 @@
-//const submit = document.getElementById("button");
-//submit.addEventListener('click', validate);
-function validate() {
-//    e.preventDefault();
-
-    const url = document.getElementById("URL");
-    const glink = document.getElementById("GLink");
-    // if (!url) {
-    //     /* Flag */
-    // }
-    let valid = true;
-    const domainExp = new RegExp("http(s)*:\\/\\/[a-zA-Z0-9\\-]+(\\.[a-zA-Z0-9\\-]+)+");
-    const filepathExp = new RegExp("[a-zA-Z]+");
-    let count = 0;
-    let index = -1;
-    let domain = "";
-    let filepath = "";
-    for (let i=0; i < url.value.length; i++) {
-        if (url.value.charAt(i) == '/') {
-            count++;
-        }
-        if (count == 3) {
-            index = i;
-            break;
-        }
+// const submit = document.getElementById("button");
+mycheckbox = document.getElementById("restricted");
+mycheckbox.addEventListener('change',checkboxCallback);
+window.onload = function() {
+    if (mycheckbox.checked) {
+        document.getElementById("radius_label").hidden = false;
+        document.getElementById("mandatory-radius").hidden = false;
+        var radiusSelect = document.getElementById("radius");
+        radiusSelect.hidden = false;
+        radiusSelect.required = true;
    }
-    if (count >= 3) {
-        domain = url.value.substring(0, index);
-        if (index == url.value.length - 1) {
-            filepath = url.value.charAt(index);
-        } else {
-            filepath = url.value.substring(index, url.value.length - 1);
-        }
-        alert("Domain is " + domain + " filepath is " + filepath);
-    } else {
-        domain = url.value;
-    }
-    console.log(domain);
-    if (domain.match(domainExp)) /** and is available? */{
-        const error = document.getElementById("error");
-        if (error.classList.contains("visible")) {
-            error.classList.remove("visible");
-        }
-        if (url.classList.contains("invalid")) {
-            url.classList.remove("invalid");
-        }
-        url.classList.add("valid");
-        error.setAttribute('aria-hidden', true);
-        error.setAttribute('aria-invalid', false);
-        console.log("Valid");
+}

-	return valid;
+var lat = document.getElementById("latitude");
+lat.setValue = function(newValue) {
+    this.value = newValue;
+    valueReceived();
+}

-/*	var xmlhttp = new XMLHttpRequest();
-	xmlhttp.open('GET','result.php',true);
-	xmlhttp.send();
-	console.log(xmlhttp.responseText);*/
-    } else {
-
-        /*flag*/
-        const error = document.getElementById("error");
-        error.classList.add("visible");
-
-        //error.classList.add("hidden");
-        if (url.classList.contains("valid")) {
-            url.classList.remove("valid");
-        }
-        url.classList.add("invalid");
-        error.setAttribute('aria-hidden', false);
-        error.setAttribute('aria-invalid', true);
-	return false;
-    }
+function valueReceived() {
+    let load = document.getElementById("loadingText");
+    load.innerHTML = "Location retrieved";
+    load.style.color = "green";

 }
+function valueRequested() {
+    let load = document.getElementById("loadingText");
+    load.innerHTML = "Location requested. Please wait...";
+    load.style.color = "red";
+
+}
+function checkboxCallback(event) {
+    const radiusLabel = document.getElementById("radius_label");
+    const radiusSelect = document.getElementById("radius");
+    const mandatoryRadius = document.getElementById("mandatory-radius");
+    if (event.currentTarget.checked) {
+        radiusLabel.hidden = false;
+        mandatoryRadius.hidden = false;
+        radiusSelect.hidden = false;
+        radiusSelect.required = true;
+        valueRequested();
+        getLocation();
+    } else {
+        radiusLabel.hidden = true;
+        mandatoryRadius.hidden = true;
+        radiusSelect.hidden = true;
+        radiusSelect.required = false;
+    }
+}
+
+function getLocation() {
+    console.log("GeoLocation");
+    if (navigator.geolocation) {
+        navigator.geolocation.getCurrentPosition(showPosition);
+    } else {
+        console.log("Your browser does not support geolocation.");
+    }
+}
+
+function showPosition(position) {
+    console.log("Gotten positions");
+    console.log(position.coords.latitude);
+    console.log(position.coords.longitude);
+
+    document.getElementById("latitude").setValue(position.coords.latitude);
+    document.getElementById("longitude").value = position.coords.longitude;
+    console.log("done");
+}
+
+// submit.addEventListener('click', validate);
+    function validate() {
+        //e.preventDefault();
+        const checked = document.getElementById("restricted");
+        if (checked.checked) {
+            const lat = document.getElementById("latitude");
+            const long = document.getElementById("longitude");
+            if (lat.value === "" || long.value === "") {
+                /* wait */
+                return false
+            }
+        }
+
+        const url = document.getElementById("URL");
+        let glink = document.getElementById("GLink");
+        const error = document.getElementById("error");
+        // if (!url) {
+        //     /* Flag */
+        // }
+        let valid = true;
+        const domainExp = new RegExp("^http(s)*:\\/\\/[a-zA-Z0-9\\-]+(\\.[a-zA-Z0-9\\-]+)+$");
+        const filepathExp = new RegExp("^[a-zA-Z]+$");
+        const glinkExp = new RegExp("^[a-zA-Z]*$");
+        let glinkStr = glink.value;
+        let count = 0;
+        let index = -1;
+        let domain = "";
+        let filepath = "";
+        for (let i = 0; i < url.value.length; i++) {
+            if (url.value.charAt(i) == '/') {
+                count++;
+            }
+            if (count == 3) {
+                index = i;
+                break;
+            }
+        }
+        if (count >= 3) {
+            domain = url.value.substring(0, index);
+            if (index == url.value.length - 1) {
+                filepath = url.value.charAt(index);
+            } else {
+                filepath = url.value.substring(index, url.value.length - 1);
+            }
+            alert("Domain is " + domain + " filepath is " + filepath);
+        } else {
+            domain = url.value;
+        }
+        console.log(domain);
+
+        if (glinkStr === "") {
+            var result = window.confirm("You have left the glink field blank. A random one will be generated for you.");
+            if (result === false) {
+                return false;
+            }
+        }
+
+
+        if (domain.match(domainExp) && glinkStr.match(glinkExp))/** and is available? */{
+            if (error.classList.contains("visible")) {
+                error.classList.remove("visible");
+            }
+            if (url.classList.contains("invalid")) {
+                url.classList.remove("invalid");
+            }
+            url.classList.add("valid");
+            if (glink.classList.contains("invalid")) {
+                glink.classList.remove("invalid");
+            }
+            glink.classList.add("valid");
+            error.setAttribute('aria-hidden', true);
+            error.setAttribute('aria-invalid', false);
+            console.log("Valid with url= " +url.value+ " glink=" +glink);
+            return valid;
+        } else {
+            /*flag*/
+            error.classList.add("visible");
+
+            //error.classList.add("hidden");
+            if (!domain.match(domainExp)) {
+                if (url.classList.contains("valid")) {
+                    url.classList.remove("valid");
+                }
+                url.classList.add("invalid");
+            } else {
+                if (url.classList.contains("invalid")) {
+                    url.classList.remove("invalid");
+                }
+                url.classList.add("valid");
+            }
+            if (!glinkStr.match(glinkExp)) {
+                if (glink.classList.contains("valid")) {
+                    glink.classList.remove("valid");
+                }
+                glink.classList.add("invalid");
+            } else {
+                if (glink.classList.contains("invalid")) {
+                    glink.classList.remove("invalid");
+                }
+                glink.classList.add("valid");
+            }
+            error.setAttribute('aria-hidden', false);
+            error.setAttribute('aria-invalid', true);
+            return false;
+        }
+}
--- a/login.html
+++ b/login.html
@@ -0,0 +1,59 @@
+<!DOCTYPE html>
+<html lang="en" class="h-full bg-white">
+<head>
+    <link rel="stylesheet" href="output.css">
+    <title>Title</title>
+</head>
+<body class="h-full">
+<div class="flex min-h-full flex-col justify-center px-6 py-12 lg:px-8">
+<div class="sm:mx-auto sm:w-full sm:max-w-sm">
+    <img class="mx-auto h-10 w-auto" src="https://tailwindui.com/img/logos/mark.svg?color=indigo&shade=600" alt="Your Company">
+    <h2 class="mt-10 text-center text-2xl font-bold leading-9 tracking-tight text-gray-900">Log in to your account</h2>
+</div>
+
+<div class="mt-10 sm:mx-auto sm:w-full sm:max-w-sm">
+    <form class="space-y-6" action="#" method="POST">
+        <div>
+            <label for="email" class="block text-sm font-medium leading-6 text-gray-900">Email address</label>
+            <div class="mt-2">
+                <input id="email" name="email" type="email" autocomplete="email" required class="block w-full rounded-md border-0 py-1.5 text-gray-900 shadow-sm ring-1 ring-inset ring-gray-300 placeholder:text-gray-400 focus:ring-2 focus:ring-inset focus:ring-indigo-600 sm:text-sm sm:leading-6">
+                <div id="email-error" class="hidden mt-2 text-red-800 text-xs">
+                    invalid Email
+                </div>
+            </div>
+        </div>
+        <div>
+            <div class="flex items-center justify-between">
+                <label for="password" class="block text-sm font-medium leading-6 text-gray-900">Password</label>
+                <div class="text-sm">
+                    <a href="#" class="font-semibold text-indigo-600 hover:text-indigo-500">Forgot password?</a>
+                </div>
+            </div>
+            <div class="mt-2">
+                <input id="password" name="password" type="password" autocomplete="current-password" required class="block w-full rounded-md border-0 py-1.5 text-gray-900 shadow-sm ring-1 ring-inset ring-gray-300 placeholder:text-gray-400 focus:ring-2 focus:ring-inset focus:ring-indigo-600 sm:text-sm sm:leading-6">
+            </div>
+            <p id="letter" class="hidden text-red-800 text-xs">
+                A <b>lowercase</b> letter
+            </p>
+            <p id="capital" class="hidden text-red-800 text-xs">
+                A <b>capital (uppercase)</b> letter
+            </p>
+            <p id="number" class="hidden text-red-800 text-xs">
+                A <b>number</b>
+            </p>
+            <p id="symbol" class="hidden text-red-800 text-xs">
+                A <b>symbol</b>
+            </p>
+            <p id="length" class="hidden text-red-800 text-xs">
+                Minimum <b>10 characters</b>
+            </p>
+        </div>
+        <div>
+            <button type="submit" class="flex w-full justify-center rounded-md bg-indigo-600 px-3 py-1.5 text-sm font-semibold leading-6 text-white shadow-sm hover:bg-indigo-500 focus-visible:outline focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-indigo-600">Sign in</button>
+        </div>
+    </form>
+</div>
+</div>
+<script src="login.js"></script>
+</body>
+</html>
--- a/login.js
+++ b/login.js
@@ -0,0 +1,142 @@
+let email = document.getElementById("email");
+let password = document.getElementById("password");
+let pswd_visible = document.getElementById("pswd-visible");
+let pswd_invisible = document.getElementById("pswd-invisible");
+let check_pswd_visible = document.getElementById("check-pswd-visible");
+let check_pswd_invisible = document.getElementById("check-pswd-invisible");
+let check_password = document.getElementById("check-password");
+pswd_visible.addEventListener('click', () => {
+    pswd_visible.classList.add("hidden");
+    pswd_invisible.classList.remove("hidden");
+    password.type = "password";
+});
+pswd_invisible.addEventListener('click', () => {
+    pswd_invisible.classList.add("hidden");
+    pswd_visible.classList.remove("hidden");
+    password.type = "text";
+});
+check_pswd_visible.addEventListener('click', () => {
+    check_pswd_visible.classList.add("hidden");
+    check_pswd_invisible.classList.remove("hidden");
+    check_password.type = "password";
+});
+check_pswd_invisible.addEventListener('click', () => {
+    check_pswd_invisible.classList.add("hidden");
+    check_pswd_visible.classList.remove("hidden");
+    check_password.type = "text";
+});
+let emailRX = new RegExp("^[a-zA-Z0-9!#$%&'*+/=?^_`{|}~-]+(\\.[a-zA-Z0-9!#$%&'*+/=?^_`{|}~-]+)*@[A-Za-z0-9-]+(\\.[A-Za-z]+)+$");
+let domainError = document.getElementById("domain");
+let domainRX = new RegExp("^[a-zA-Z0-9!@#$%^&*]*$");
+let emailError = document.getElementById("email-error");
+let capsRX = new RegExp(".*[A-Z]+");
+let capsError = document.getElementById("capital");
+let lowRX = new RegExp(".*[a-z]+");
+let lowError = document.getElementById("letter");
+let numRX = new RegExp(".*[0-9]+");
+let numError = document.getElementById("number");
+let symbolRX = new RegExp(".*[!@#$%^&*]+");
+let symbolError = document.getElementById("symbol");
+let MIN_LENGTH = 10;
+let lenError = document.getElementById("length");
+let check_password_error = document.getElementById("check-password-error");
+
+
+email.addEventListener('keyup', function(event) {
+    if (emailRX.test(email.value)) {
+        console.log("email valid");
+        email.classList.add("ring-green-400");
+        email.classList.add("focus:ring-green-400");
+        email.classList.remove("ring-red-400");
+        email.classList.remove("focus:ring-red-400");
+        emailError.classList.add("hidden");
+        emailError.classList.remove("block");
+        return true;
+    } else {
+        console.log("email invalid");
+        email.classList.add("ring-red-400");
+        email.classList.add("focus:ring-red-400");
+        email.classList.remove("ring-green-400");
+        email.classList.remove("focus:ring-green-400");
+        emailError.classList.remove("hidden");
+        emailError.classList.add("block");
+        return false;
+    }
+});
+password.addEventListener('keyup', () => {
+    let pswd = password.value;
+    if (!capsRX.test(pswd)) {
+        capsError.classList.remove("hidden");
+        capsError.classList.add("block");
+    } else {
+        capsError.classList.add("hidden");
+        capsError.classList.remove("block");
+    }
+    if (!lowRX.test(pswd)) {
+        lowError.classList.remove("hidden");
+        lowError.classList.add("block");
+    } else {
+        lowError.classList.add("hidden");
+        lowError.classList.remove("block");
+    }
+    if (!numRX.test(pswd)) {
+        numError.classList.remove("hidden");
+        numError.classList.add("block");
+    } else {
+        numError.classList.add("hidden");
+        numError.classList.remove("block");
+    }
+    if (!symbolRX.test(pswd)) {
+        symbolError.classList.remove("hidden");
+        symbolError.classList.add("block");
+    } else {
+        symbolError.classList.add("hidden");
+        symbolError.classList.remove("block");
+    }
+    if (!domainRX.test(pswd)) {
+        domainError.classList.remove("hidden");
+        domainError.classList.add("block");
+    } else {
+        domainError.classList.add("hidden");
+        domainError.classList.remove("block");
+    }
+    if (pswd.length < MIN_LENGTH) {
+        lenError.classList.remove("hidden");
+        lenError.classList.add("block");
+    } else {
+        lenError.classList.add("hidden");
+        lenError.classList.remove("block");
+    }
+    if (capsError.classList.contains("block") || lowError.classList.contains("block") || numError.classList.contains("block") || symbolError.classList.contains("block") || lenError.classList.contains("block")) {
+        password.classList.remove("ring-green-400");
+        password.classList.remove("focus:ring-green-400");
+        password.classList.add("ring-red-400");
+        password.classList.add("focus:ring-red-400");
+    } else {
+        password.classList.add("ring-green-400");
+        password.classList.add("focus:ring-green-400");
+        password.classList.remove("ring-red-400");
+        password.classList.remove("focus:ring-red-400");
+    }
+});
+check_password.addEventListener("keyup", () => {
+    let check = check_password.value;
+    if (check !== password.value) {
+        check_password_error.classList.remove("hidden");
+        check_password_error.classList.add("block");
+    } else {
+        check_password_error.classList.add("hidden");
+        check_password_error.classList.remove("block")
+    }
+    if (check_password_error.classList.contains("block")) {
+        check_password.classList.remove("ring-green-400");
+        check_password.classList.remove("focus:ring-green-400");
+        check_password.classList.add("ring-red-400");
+        check_password.classList.add("focus:ring-red-400");
+    } else {
+        check_password.classList.add("ring-green-400");
+        check_password.classList.add("focus:ring-green-400");
+        check_password.classList.remove("ring-red-400");
+        check_password.classList.remove("focus:ring-red-400");
+    }
+});
--- a/login.php
+++ b/login.php
@@ -0,0 +1,27 @@
+<?php
+$email = $_GET['email'];
+$password = $_GET['password'];
+
+$session = init_cass_db();
+
+$statement = $session->prepare('SELECT password FROM users WHERE email=? ALLOW FILTERING;');
+
+$result = $session->execute($statement,array('arguments' => array($email)));
+
+if ($result->count() <= 0) {
+	echo('Invalid email address or password.');
+	exit();
+} else {
+	$hash = $row[0]['password'];
+
+	if (password_verify($password,$hash) != true) {
+		echo('Invalid email address or password.');
+		exit();
+	} else {
+		session_start();
+		$_SESSION['user'] = $email;
+		echo('Logged in successfully. You are ' . $_SESSION['user']);
+	}
+}
+
+?>
--- a/output.css
+++ b/output.css
--- a/redirect.php
+++ b/redirect.php
@@ -0,0 +1,44 @@
+<?php
+	require_once 'db.inc.php';
+	ini_set("session.cookie_secure",1);
+	session_start();
+	use Cassandra;
+
+	$uri = $_SERVER['REQUEST_URI'];
+	$uri = substr($uri,1);
+
+	$matches_uri = preg_match('/^[a-zA-Z]+$/',$uri);
+
+	if (($matches_uri == 0) || ($matches_uri == false)) {
+		header("Location: https://glink.zip/");
+	        exit;
+	} else {
+
+		$session = init_cass_db();
+
+		$statement = $session->prepare('SELECT url,is_geo FROM data WHERE shortlink=? ALLOW FILTERING;');
+		$result = $session->execute($statement,array('arguments' => array($uri)));
+
+		if ($result->count() == 0) {
+			printf('The given GLink was invalid, and doesn\'t point to a specific web page.');
+			exit;
+		}
+
+		foreach($result as $row) {
+			if (is_null($row)) {
+				printf('The given GLink was invalid, and doesn\'t point to a specific web page.');
+				exit;
+			} else {
+				if ($row['is_geo'] == true) {
+					$_SESSION['glink'] = $uri;
+					header("Location: https://glink.zip/reqloc.html?glink=" . $uri);
+					exit;
+				} else {
+					header("Location: " . $row['url']);
+					exit;
+				}
+			}
+		}
+	}
+
+?>
--- a/reqloc.html
+++ b/reqloc.html
@@ -0,0 +1,59 @@
+<html>
+<head>
+<title>Location needed</title>
+</head>
+<body onload="get_location()">
+This link is geo-restricted. Your location is needed to verify that you are authorized to access this link.
+
+<script>
+var params = new URLSearchParams(window.location.search);
+var glink = params.get("glink");
+
+var lat;
+var long;
+var method = "GET";
+var request;
+
+function requestHandler() {
+	if (request.readyState === XMLHttpRequest.DONE) {
+		if (request.status === 200) {
+			if (request.responseText == "B") {
+				alert("You are not authorized to access this GLink, as you are outside the permitted radius. If you think this is an error, please try again on a mobile device.");
+			} else {
+				window.location.replace(request.responseText);
+			}
+		} else {
+			console.log("Error sending data to server.");
+		}
+	} 
+}
+
+function storeLocation(position) {
+	lat = position.coords.latitude;
+	long = position.coords.longitude;
+}
+
+function callbackFunction(position) {
+	storeLocation(position);
+	request = new XMLHttpRequest();
+	request.onreadystatechange = requestHandler;
+	if (method == "GET") {
+		request.open("GET","/checkloc.php?latitude=" + encodeURIComponent(lat) + "&longitude=" + encodeURIComponent(long) + "&glink=" + encodeURIComponent(glink));
+		request.send();
+	} else if (method == "POST") {
+		request.open("POST","/checkloc.php");
+		request.send("latitude=" + encodeURIComponent(lat) + "&longitude=" + encodeURIComponent(long));
+	}
+}
+
+function get_location() {
+	if (navigator.geolocation) {
+		navigator.geolocation.getCurrentPosition(callbackFunction);
+		
+	} else {
+		alert('You cannot access this GLink as your browser does not support geolocation.');
+	}
+}
+</script>
+</body>
+</html>
--- a/result.js
+++ b/result.js
@@ -1,14 +0,0 @@
-console.log('Beginning database execution');
-
-const cassandra = require('cassandra-driver');
-
-const client = new cassandra.Client({
-	contactPoints: ['127.0.0.1:9042'],
-	keyspace: 'glink',
-});
-
-const query = 'SELECT name FROM data WHERE id = ?';
-
-console.log(query);
-
-client.execute(query, [5]).then(result => console.log('User name is %s',result.rows[0].name));
--- a/result.php
+++ b/result.php
@@ -1,42 +1,119 @@
 <?php
-ini_set('display_errors', 1);
-use Casssandra;
+require_once 'db.inc.php';

-$cluster = Cassandra::cluster()->build();
-$keyspace = 'glink';
+function gen_base62_rand_shortlink($len) {
+	$rand_bytes = random_bytes(intval(($len * 2) / 3));
+        $rand_string = base64_encode($rand_bytes);
+	$rand_string = str_replace("+","",$rand_string);
+        $rand_string = str_replace("/","",$rand_string);
+        $rand_string = str_replace("=","",$rand_string);
+
+	if (mb_strlen($rand_string) < $len) {
+		$curlen = mb_strlen($rand_string);
+		$rand_string = $rand_string . gen_rand_shortlink($len - $curlen);
+	}
+
+	return $rand_string;
+}
+
+function gen_rand_shortlink($len) {
+	$to_return = '';
+	$possible_chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
+	while (mb_strlen($to_return) < $len) {
+		$to_return = $to_return . $possible_chars[rand(0, mb_strlen($possible_chars)-1)];
+	}
+
+	return $to_return;
+
+}
+
+
+ini_set('display_errors', 1);
+
+$session = init_cass_db();

 $url = $_GET["url"];
+
+if (isset($_GET["restricted"])) {
+	$is_geo = 1;
+} else {
+	$is_geo = 0;
+}
+
+if ($is_geo == 1) {
+	$radius = $_GET["radius"];
+
+	$latitude = $_GET["latitude"];
+	$latitude = doubleval($latitude);
+
+	$longitude = $_GET["longitude"];
+	$longitude = doubleval($longitude);
+}
+
+$matches = preg_match('/^http(s)*:\\/\\/[a-zA-Z0-9\\-]+(\\.[a-zA-Z0-9\\-]+)+$/',$url);
+if (($matches == 0) || ($matches == false)) {
+	printf("The URL entered was invalid. Please try again.");
+	return;
+}
+
 $shortlink = $_GET["glink"];

-$session = $cluster->connect($keyspace);
+if ($shortlink != '') {
+	$matches_shortlink = preg_match('/^[a-zA-Z]+$/',$shortlink);
+	if (($matches_shortlink == 0) || ($matches_shortlink == false)) {
+	        printf("The GLink entered was invalid. The GLink can only contain letters. Please try again.");
+	        return;
+	}
+} else {
+	/* generate a random shortlink */
+	gen_shortlink:
+		$rand_string = gen_rand_shortlink(6);  /* the function is defined at the start of this file */
+		$shortlink = $rand_string;
+
+		/* Check if shortlink is already taken by querying the database */
+		$statement = $session->prepare('SELECT url FROM data WHERE shortlink=? ALLOW FILTERING');
+		$result = $session->execute($statement,array('arguments' => array($shortlink)));
+
+		if ($result->count() != 0) {
+			goto gen_shortlink;
+		}
+
+}

 //$statement = new Cassandra\SimpleStatement('SELECT name FROM data WHERE id=5');
+
+$statement = $session->prepare('SELECT url FROM data WHERE shortlink=? ALLOW FILTERING');
+$options = array('arguments' => array($shortlink));
+$result = $session->execute($statement,$options);
+
+if ($result->count() != 0) {
+	printf('That GLink is already taken. Please try another one.');
+	exit;
+}
+
 $rand_num = rand(0,99999999);

-$values = array(
-	'id' => $rand_num,
-	'url' => $url,
-	'shortlink' => $shortlink,
-);
-$statement = new Cassandra\SimpleStatement('INSERT INTO data (id, url, shortlink, when_created) VALUES (?,?,?,toTimestamp(now()))');
-$options = array('arguments' => $values);
-$result = $session->execute($statement,$options);
+$statement = $session->prepare('INSERT INTO data (id, url, shortlink, is_geo, radius, latitude, longitude, when_created) VALUES (?,?,?,?,?,?,?,toTimestamp(now())) USING TTL 20');

-$statement = new Cassandra\SimpleStatement('SELECT url,shortlink FROM data WHERE id=?');
-$options = array('arguments' => array('id' => $rand_num));
-$result = $session->execute($statement,$options);
+if ($is_geo == 1) {
+	$options = array($rand_num,$url,$shortlink,boolval($is_geo),intval($radius), $latitude, $longitude);
+} else {
+	$options = array($rand_num,$url,$shortlink,boolval($is_geo),null,null,null);
+}
+
+$result = $session->execute($statement,array('arguments' => $options));

 //$stringRepresentation= json_encode($result[0]);

 //printf("%s\n\n\n",$stringRepresentation);

-foreach($result as $row) {
-	if (is_null($row)) {
-		printf('Unsuccessful');
-	} else {
-		printf('Successful: The URL you entered was: %s and your GLink is: https://glink.zip/%s', $row['url'],$row['shortlink']);
-	}
-}
+//foreach($result as $row) {
+//	if (is_null($row)) {
+//		printf('Unsuccessful');
+//	} else {
+		printf('Successful: The URL you entered was: %s and your GLink is: https://glink.zip/%s', $url,$shortlink);
+//	}
+//}
 //printf('Done');

 ?>
--- a/signup.html
+++ b/signup.html
@@ -0,0 +1,108 @@
+<!DOCTYPE html>
+<html lang="en" class="h-full bg-white">
+<head>
+  <link rel="stylesheet" href="output.css">
+  <title>Title</title>
+</head>
+<body class="h-full">
+<div class="flex min-h-full flex-col justify-center px-6 py-12 lg:px-8">
+  <div class="sm:mx-auto sm:w-full sm:max-w-sm">
+    <img class="mx-auto h-10 w-auto" src="https://tailwindui.com/img/logos/mark.svg?color=indigo&shade=600" alt="Your Company">
+    <h2 class="mt-10 text-center text-2xl font-bold leading-9 tracking-tight text-gray-900">Sign up for an account</h2>
+  </div>
+
+  <div class="mt-10 sm:mx-auto sm:w-full sm:max-w-sm">
+    <form class="space-y-6" action="signup.php" method="GET">
+      <div>
+        <label for="email" class="block text-sm font-medium leading-6 text-gray-900">Email address</label>
+        <div class="mt-2">
+          <input id="email" name="email" type="email" autocomplete="email" required class="block w-full rounded-md border-0 py-1.5 text-gray-900 shadow-sm ring-1 ring-inset ring-gray-300 placeholder:text-gray-400 focus:ring-2 focus:ring-inset focus:ring-indigo-600 sm:text-sm sm:leading-6">
+          <div id="email-error" class="hidden mt-2 text-red-800 text-xs">
+            invalid Email
+          </div>
+        </div>
+      </div>
+      <div>
+        <div class="flex items-center justify-between">
+          <label for="password" class="block text-sm font-medium leading-6 text-gray-900">Password</label>
+        </div>
+        <div class="mt-2 relative block">
+          <input id="password" name="password" type="password" autocomplete="off" required class="block w-11/12 rounded-md border-0 py-1.5 text-gray-900 shadow-sm ring-1 ring-inset ring-gray-300 placeholder:text-gray-400 focus:ring-2 focus:ring-inset focus:ring-indigo-600 sm:text-sm sm:leading-6">
+
+          <span id="pswd-invisible" class="absolute inset-y-0 right-0 flex items-center px-1 rounded-r-md">
+                    <svg class="w-6 h-6 m-auto" fill="none" stroke="currentColor" viewBox="0 0 24 24"
+                         xmlns="http://www.w3.org/2000/svg">
+                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" color="black"
+                              d="M15 12a3 3 0 11-6 0 3 3 0 016 0z"></path>
+                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
+                              d="M2.458 12C3.732 7.943 7.523 5 12 5c4.478 0 8.268 2.943 9.542 7-1.274 4.057-5.064 7-9.542 7-4.477 0-8.268-2.943-9.542-7z">
+                        </path>
+                    </svg>
+                </span>
+          <span id="pswd-visible" class="absolute inset-y-0 right-0 flex items-center px-1 hidden">
+                    <svg class="w-6 h-6 m-auto" fill="none" stroke="currentColor" viewBox="0 0 24 24"
+                         xmlns="http://www.w3.org/2000/svg">
+                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
+                              d="M13.875 18.825A10.05 10.05 0 0112 19c-4.478 0-8.268-2.943-9.543-7a9.97 9.97 0 011.563-3.029m5.858.908a3 3 0 114.243 4.243M9.878 9.878l4.242 4.242M9.88 9.88l-3.29-3.29m7.532 7.532l3.29 3.29M3 3l3.59 3.59m0 0A9.953 9.953 0 0112 5c4.478 0 8.268 2.943 9.543 7a10.025 10.025 0 01-4.132 5.411m0 0L21 21">
+                        </path>
+                    </svg>
+                </span>
+        </div>
+        <p id="domain" class="hidden text-red-800 text-xs">
+          <b>Invalid characters entered</b>
+        </p>
+        <p id="letter" class="hidden text-red-800 text-xs">
+          A <b>lowercase</b> letter
+        </p>
+        <p id="capital" class="hidden text-red-800 text-xs">
+          A <b>capital (uppercase)</b> letter
+        </p>
+        <p id="number" class="hidden text-red-800 text-xs">
+          A <b>number</b>
+        </p>
+        <p id="symbol" class="hidden text-red-800 text-xs">
+          A <b>symbol</b>
+        </p>
+        <p id="length" class="hidden text-red-800 text-xs">
+          Minimum <b>10 characters</b>
+        </p>
+      </div>
+        <div>
+        <div class="flex items-center justify-between">
+            <label for="check-password" class="block text-sm font-medium leading-6 text-gray-900">Retype Password</label>
+        </div>
+      <div class="mt-2 relative block">
+        <input id="check-password" name="check-password" type="password" autocomplete="off" required class="block w-11/12 rounded-md border-0 py-1.5 text-gray-900 shadow-sm ring-1 ring-inset ring-gray-300 placeholder:text-gray-400 focus:ring-2 focus:ring-inset focus:ring-indigo-600 sm:text-sm sm:leading-6">
+
+        <span id="check-pswd-invisible" class="absolute inset-y-0 right-0 flex items-center px-1 rounded-r-md">
+                    <svg class="w-6 h-6 m-auto" fill="none" stroke="currentColor" viewBox="0 0 24 24"
+                         xmlns="http://www.w3.org/2000/svg">
+                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" color="black"
+                              d="M15 12a3 3 0 11-6 0 3 3 0 016 0z"></path>
+                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
+                              d="M2.458 12C3.732 7.943 7.523 5 12 5c4.478 0 8.268 2.943 9.542 7-1.274 4.057-5.064 7-9.542 7-4.477 0-8.268-2.943-9.542-7z">
+                        </path>
+                    </svg>
+                </span>
+        <span id="check-pswd-visible" class="absolute inset-y-0 right-0 flex items-center px-1 hidden">
+                    <svg class="w-6 h-6 m-auto" fill="none" stroke="currentColor" viewBox="0 0 24 24"
+                         xmlns="http://www.w3.org/2000/svg">
+                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
+                              d="M13.875 18.825A10.05 10.05 0 0112 19c-4.478 0-8.268-2.943-9.543-7a9.97 9.97 0 011.563-3.029m5.858.908a3 3 0 114.243 4.243M9.878 9.878l4.242 4.242M9.88 9.88l-3.29-3.29m7.532 7.532l3.29 3.29M3 3l3.59 3.59m0 0A9.953 9.953 0 0112 5c4.478 0 8.268 2.943 9.543 7a10.025 10.025 0 01-4.132 5.411m0 0L21 21">
+                        </path>
+                    </svg>
+                </span>
+      </div>
+      <p id="check-password-error" class="hidden text-red-800 text x-s">
+        Passwords <b>do not</b> match
+      </p>
+    </div>
+      <div>
+        <button type="submit" class="flex w-full justify-center rounded-md bg-indigo-600 px-3 py-1.5 text-sm font-semibold leading-6 text-white shadow-sm hover:bg-indigo-500 focus-visible:outline focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-indigo-600">Sign up</button>
+      </div>
+    </form>
+  </div>
+</div>
+<script src="login.js"></script>
+</body>
+</html>
--- a/signup.php
+++ b/signup.php
@@ -0,0 +1,27 @@
+<?php
+require_once 'db.inc.php';
+
+$email = $_GET['email'];
+$username = $_GET['username'];
+$password = $_GET['password'];
+$id = rand(0,99999999);
+
+$hash = password_hash($password,PASSWORD_BCRYPT);
+
+$session = init_cass_db();
+
+$statement = $session->prepare('SELECT id FROM users WHERE email=? OR username=? ALLOW FILTERING;');
+$result = $session->execute($statement, array('arguments' => array($email,$username)));
+
+if ($result->count() != 0) {
+	echo('The username or email address already exists. Please try another username/email address.');
+	exit();
+}
+
+$statement = $session->prepare('INSERT INTO users (id,email_addr,username,password_hash) VALUES (?,?,?,?);');
+$result = $session->execute($statement, array('arguments' => array($id,$email,$username,$hash)));
+
+echo('Registration successful.');
+
+
+?>
Author	SHA1	Message	Date
Aadhavan Srinivasan	1c74b82f6e	Removed database initialization code and instead used the function defined in db.inc.php	2023-06-25 14:09:30 -05:00
Aadhavan Srinivasan	df131d2fb5	Added code to include Tailwind CSS file with this file	2023-06-25 14:08:56 -05:00
Aadhavan Srinivasan	4d10b191c7	Created directory for fonts	2023-06-25 14:08:32 -05:00
Aadhavan Srinivasan	071113592b	Added Tailwind CSS file	2023-06-25 14:08:15 -05:00
Aadhavan Srinivasan	b5283110d2	Created PHP file for database-related functions	2023-06-25 14:08:03 -05:00
Aadhavan Srinivasan	3914190175	Created PHP file to sign up the user	2023-06-25 14:07:19 -05:00
Aadhavan Srinivasan	0022e0d7c2	Created HTML file for sign up	2023-06-25 14:06:58 -05:00
Aadhavan Srinivasan	0f8b0154f8	Added code to process the user's login information	2023-06-25 14:06:40 -05:00
Aadhavan Srinivasan	e3e3b45c65	Added HTML and Javascript files for a login page	2023-06-25 14:06:26 -05:00
Aadhavan Srinivasan	cd1261418a	Added code to redirect the user if they are permitted to access the GLink, and show an error JS alert if they are not	2023-06-19 01:14:18 -05:00
Aadhavan Srinivasan	96abdd9852	Added code to check if the user is within the radius for the GLink	2023-06-19 01:13:31 -05:00
Aadhavan Srinivasan	22c85234da	Sent the requested glink to reqloc.html as a GET variable, so that the Glink can be sent to the PHP file	2023-06-17 13:56:02 -05:00
Aadhavan Srinivasan	4bba4f9410	NOT FINISHED: Created a file to process the user's location	2023-06-17 13:55:05 -05:00
Aadhavan Srinivasan	d928ad2ce3	Created file to request the user's location to determine if they are allowed to acces the glink	2023-06-17 13:54:31 -05:00
Aadhavan Srinivasan	63050a8065	Changed variable names to match HTML document	2023-06-17 13:54:09 -05:00
Aadhavan Srinivasan	0b08c1ce9c	Added code to hide radius drop-down menu if geo-restriction checkbox was not selected	2023-06-17 13:53:51 -05:00
Aadhavan Srinivasan	b7a8602e34	Added code to wait for location to be retrieved before allowing user to submit, and hid the radius drop-down if geo-location wasn't checked	2023-06-15 23:00:21 -05:00
Aadhavan Srinivasan	42eff5e0fa	Added code to redirect the user to a different page if the GLink they requested is geo-restricted	2023-06-15 18:49:31 -05:00
Aadhavan Srinivasan	3d36c2704a	Added code to retrieve the user's location and store it in the database	2023-06-15 18:48:36 -05:00
Aadhavan Srinivasan	ae036686b8	Added code to fetch the user's location, and send it as a GET/POST variable	2023-06-12 15:29:24 -05:00
Aadhavan Srinivasan	70f91c7586	Fixed bug where I accessed the database without opening a session	2023-06-12 15:28:30 -05:00
Aadhavan Srinivasan	913d53b757	Added form field to allow user to georestrict the link	2023-06-12 15:28:02 -05:00
Aadhavan Srinivasan	8b68547644	Added code to generate a random GLink if the user doesn't submit one	2023-06-09 20:03:30 -05:00
Aadhavan Srinivasan	0f85fcf021	Made the Glink field optional	2023-06-09 20:03:01 -05:00
Aadhavan Srinivasan	1d4606db27	Added code to redirect the user if the database query returns a URL	2023-06-08 21:36:33 -05:00
Aadhavan Srinivasan	116bbe5218	Started working on redirect when user enters a GLink	2023-06-08 10:46:59 -05:00
Aadhavan Srinivasan	1b52864952	Added server-side checks to input	2023-06-08 10:46:41 -05:00