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theseoframework · Jun 14, 2019 · f2bda90 · f2bda90
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diff --git a/404.html b/404.html
@@ -0,0 +1,60 @@
+<!DOCTYPE html>
+<html>
+<head>
+	<title>Endpoint not found - tsf.fyi</title>
+	<meta http-equiv=refresh content="5; url=https://theseoframework.com/" />
+	<link rel=canonical href=https://theseoframework.com/ />
+	<meta name="viewport" content="width=device-width, initial-scale=1" />
+	<style>
+		html {
+			background: #000;
+		}
+		body {
+			min-height: 100vh;
+			display: flex;
+			flex-direction: column;
+			justify-content: center;
+			background: #919ea1;
+			font-family: -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen-Sans,Ubuntu,Cantarell,"Helvetica Neue",sans-serif;
+			font-size: 16px;
+    		line-height: 1.625em;
+			color: #333;
+			margin: 0;
+		}
+		#wrap {
+			padding: 2em;
+			background: #fff;
+			border: 1px solid #465053;
+			margin: 1em auto;
+			border-radius: 3px;
+			box-shadow: 0 0 1em #465053;
+		}
+		h1 {
+			margin-top: 0;
+		}
+		p:last-of-type {
+			margin-bottom: 0;
+		}
+		a {
+			color: inherit;
+		}
+		#timer {
+			font-family: monospace;
+			width: 3em;
+		}
+	</style>
+</head>
+<body>
+	<div id=wrap>
+		<h1>Endpoint not found</h1>
+		<p>Redirecting to <a href="https://theseoframework.com/">The SEO Framework</a> in <span id=timer>5</span> seconds.</p>
+	</div>
+	<script>
+	let time = 5, t = document.getElementById( 'timer' ), innerHTML = '';
+	setInterval( () => {
+		innerHTML = --time > 0 ? time : time < -3 ? '???' : ( '.'.repeat( Math.min( 3, Math.abs( time ) ) ) ) || 0;
+		if ( t.innerHTML !== innerHTML ) t.innerHTML = innerHTML;
+	}, 1000 );
+	</scripT>
+</body>
+</html>
diff --git a/503.html b/503.html
@@ -0,0 +1,60 @@
+<!DOCTYPE html>
+<html>
+<head>
+	<title>Could not resolve endpoint - tsf.fyi</title>
+	<meta http-equiv=refresh content="5; url=https://theseoframework.com/" />
+	<link rel=canonical href=https://theseoframework.com/ />
+	<meta name="viewport" content="width=device-width, initial-scale=1" />
+	<style>
+		html {
+			background: #000;
+		}
+		body {
+			min-height: 100vh;
+			display: flex;
+			flex-direction: column;
+			justify-content: center;
+			background: #919ea1;
+			font-family: -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen-Sans,Ubuntu,Cantarell,"Helvetica Neue",sans-serif;
+			font-size: 16px;
+    		line-height: 1.625em;
+			color: #333;
+			margin: 0;
+		}
+		#wrap {
+			padding: 2em;
+			background: #fff;
+			border: 1px solid #465053;
+			margin: 1em auto;
+			border-radius: 3px;
+			box-shadow: 0 0 1em #465053;
+		}
+		h1 {
+			margin-top: 0;
+		}
+		p:last-of-type {
+			margin-bottom: 0;
+		}
+		a {
+			color: inherit;
+		}
+		#timer {
+			font-family: monospace;
+			width: 3em;
+		}
+	</style>
+</head>
+<body>
+	<div id=wrap>
+		<h1>Could not resolve endpoint</h1>
+		<p>Redirecting to <a href="https://theseoframework.com/">The SEO Framework</a> in <span id=timer>5</span> seconds.</p>
+	</div>
+	<script>
+	let time = 5, t = document.getElementById( 'timer' ), innerHTML = '';
+	setInterval( () => {
+		innerHTML = --time > 0 ? time : time < -3 ? '???' : ( '.'.repeat( Math.min( 3, Math.abs( time ) ) ) ) || 0;
+		if ( t.innerHTML !== innerHTML ) t.innerHTML = innerHTML;
+	}, 1000 );
+	</scripT>
+</body>
+</html>
diff --git a/favicon.ico b/favicon.ico
diff --git a/index.php b/index.php
@@ -0,0 +1,130 @@
+<?php
+
+/**
+ * TSF.fyi redirection interpreter.
+ * Copyright (C) 2019 Sybre Waaijer, The SEO Framework (https://theseoframework.com/)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 3 as published
+ * by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+if ( empty( $_SERVER['SCRIPT_URI'] ) ) {
+	http_response_code( 503 );
+	exit;
+}
+
+header( 'Cache-Control: max-age=3600', true );
+header( 'Pragma: public' );
+
+if ( ( $_GET['error'] ?? false ) ) {
+	header( 'X-Robots-Tag: noindex, follow', true );
+	http_response_code( 503 );
+	require __DIR__ . DIRECTORY_SEPARATOR . '503.html';
+	exit;
+}
+
+function retry() {
+	// Retry after 1s.
+	$retry = ( $_GET['r'] ?? 0 ) + 1;
+
+	if ( $retry > 3 ) {
+		$location = "{$_SERVER['REQUEST_SCHEME']}://{$_SERVER['HTTP_HOST']}/";
+		$error    = json_last_error() ?: -1;
+
+		header( 'X-Redirect-By: tsf.fyi' );
+		header( 'X-Retry-Request: true' );
+		header( "Location: $location?error=$error", true, 302 );
+		exit;
+	}
+
+	usleep( 2.5e5 );
+	header( 'X-Redirect-By: tsf.fyi' );
+	header( 'X-Retry-Request: true' );
+	header( "Location: {$_SERVER['SCRIPT_URI']}?r=$retry", true, 302 );
+	exit;
+}
+
+$json = json_decode(
+	file_get_contents( __DIR__ . DIRECTORY_SEPARATOR . 'links.json', false, stream_context_create( [ 'http' => [ 'timeout' => 1 ] ] ) )
+	?: []
+) or retry();
+
+$request = preg_replace(
+	'/[^a-z0-9_\/%\-]/',
+	'',
+	strtolower( substr_replace( $_SERVER['REQUEST_URI'], '', 0, strlen( dirname( $_SERVER['PHP_SELF'] ) ) ) )
+);
+
+$r = array_values( array_filter( explode( '/', $request ) ) );
+
+/**
+ */
+function find_endpoint( stdClass $json, array $r ): string {
+
+	$default = '';
+	$depth   = 0;
+
+	while ( isset( $r[ $depth ] ) ) {
+
+		$next = $json->{$r[ $depth ]} ?? null;
+
+		if ( null === $next ) {
+			foreach ( $json as $_endpoint => $_json ) {
+				if ( isset( $_json->_alt ) && in_array( $r[ $depth ], $_json->_alt, true ) ) {
+					$next = $json->{$_endpoint};
+					break;
+				} elseif ( is_string( $_json ) ) {
+					if ( false !== strpos( $_endpoint, '$' ) ) {
+						if ( false !== strpos( $_endpoint, '$$' ) ) {
+							// Wildcard replacement.
+							$_items = array_slice( $r, $depth );
+							$next = str_replace( '$$', implode( '/', $_items ), $_json );
+						} else {
+							// Prudent replacement.
+							$next = str_replace( '$', $r[ $depth ], $_json );
+						}
+					}
+				}
+			}
+		}
+
+		if ( isset( $next->_deep ) ) {
+			$default = $next->_default ?? $default;
+			$json    = $next->_deep;
+			++$depth;
+		} else {
+			if ( is_string( $next ) ) {
+				$endpoint = $next;
+			} elseif ( $next ) {
+				$endpoint = $next->_default ?? $default;
+			}
+			// Nothing found, always abort to prevent unwanted recursion and DDoS.
+			break;
+		}
+	}
+
+	return $endpoint ?? $default;
+};
+
+$location = find_endpoint( $json, $r ) ?: '';
+
+if ( ! $location ) :
+	header( 'X-Robots-Tag: noindex, follow', true );
+	http_response_code( 200 );
+	require __DIR__ . DIRECTORY_SEPARATOR . '404.html';
+	exit;
+endif;
+
+http_response_code( 301 );
+header( 'X-Redirect-By: tsf.fyi' );
+header( "Location: $location", true, 301 );
+exit;
diff --git a/links.json b/links.json
@@ -0,0 +1,129 @@
+{
+	"contributing": "https://github.com/sybrew/the-seo-framework/blob/master/.github/CONTRIBUTING.md",
+	"shortlinks": "https://tsf.fyi/links.json",
+	"kb": {
+		"_alt": [
+			"knowledge",
+			"knowledgebase",
+			"knowledge-base"
+		],
+		"_deep": {
+			"$$": "https://kb.theseoframework.com/kb/$$/"
+		},
+		"_default": "https://kb.theseoframework.com/kb/"
+	},
+	"docs": {
+		"_alt": [
+			"tuts"
+		],
+		"_deep": {
+			"migrate": "https://theseoframework.com/docs/seo-data-migration/",
+			"setup":   "https://theseoframework.com/docs/seo-plugin-setup/",
+			"improve": "https://theseoframework.com/docs/improve-your-pages/",
+			"api": {
+				"_deep": {
+					"constants":   "https://theseoframework.com/docs/api/constants/",
+					"filters":     "https://theseoframework.com/docs/api/filters/",
+					"actions":     "https://theseoframework.com/docs/api/actions/",
+					"emconstants": "https://theseoframework.com/docs/api/em/constants/"
+				},
+				"_default": "https://theseoframework.com/docs/api/"
+			}
+		},
+		"_default": "https://theseoframework.com/docs/"
+	},
+	"github": {
+		"_alt": [
+			"gh",
+			"git"
+		],
+		"_deep": {
+			"tsf": {
+				"_deep": {
+					"$$": "https://github.com/sybrew/the-seo-framework/$$"
+				},
+				"_default": "https://github.com/sybrew/the-seo-framework"
+			},
+			"em":  {
+				"_deep": {
+					"$$": "https://github.com/sybrew/The-SEO-Framework-Extension-Manager/$$"
+				},
+				"_default": "https://github.com/sybrew/The-SEO-Framework-Extension-Manager"
+			},
+			"fyi":  {
+				"_deep": {
+					"$$": "https://github.com/sybrew/tsf-fyi/$$"
+				},
+				"_default": "https://github.com/sybrew/tsf-fyi"
+			}
+		},
+		"_default": "https://github.com/sybrew/the-seo-framework"
+	},
+	"extensions": {
+		"_alt": [
+			"e",
+			"ext",
+			"extension"
+		],
+		"_deep": {
+			"$": "https://theseoframework.com/extensions/$/"
+		},
+		"_default": "https://theseoframework.com/extensions/"
+	},
+	"extension-manager": {
+		"_alt": [
+			"em"
+		],
+		"_default": "https://theseoframework.com/extension-manager/"
+	},
+	"reviews": {
+		"_alt": [
+			"r",
+			"reviews"
+		],
+		"_deep": {
+			"wp": "https://wordpress.org/support/plugin/autodescription/reviews/"
+		},
+		"_default": "https://theseoframework.com/what-others-say/"
+	},
+	"download": {
+		"_alt": [
+			"dl"
+		],
+		"_deep": {
+			"em": {
+				"_alt": [
+					"extension-manager"
+				],
+				"_default": "https://dl.theseoframework.com/get/plugin/latest/"
+			},
+			"tsf": {
+				"_alt": [
+					"the-seo-framework"
+				],
+				"_default": "https://downloads.wordpress.org/plugin/autodescription.latest-stable.zip"
+			}
+		}
+	},
+	"account": {
+		"_alt": [
+			"my-account"
+		],
+		"_deep": {
+			"eu": "https://eu.theseoframework.com/my-account/"
+		},
+		"_default": "https://premium.theseoframework.com/my-account/"
+	},
+	"premium": {
+		"_alt": [
+			"shop",
+			"license",
+			"get-license"
+		],
+		"_deep": {
+			"eu": "https://eu.theseoframework.com/get-license/",
+			"many": "https://premium.theseoframework.com/get-many-sites-license/"
+		},
+		"_default": "https://premium.theseoframework.com/get-license/"
+	}
+}
diff --git a/robots.txt b/robots.txt
@@ -0,0 +1 @@
+# You affect the world by what you browse - Tim Berners-Lee
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		# You affect the world by what you browse - Tim Berners-Lee