Remove md5.js dependency

Switch to the built-in WebCrypto APIs for computing identicon hashes.

src/api/web.rs

@@ -79,7 +79,6 @@ fn static_files(filename: String) -> Result<Content<&'static [u8]>, Error> {
 
         "bootstrap.css" => Ok(Content(ContentType::CSS, include_bytes!("../static/scripts/bootstrap.css"))),
         "bootstrap-native.js" => Ok(Content(ContentType::JavaScript, include_bytes!("../static/scripts/bootstrap-native.js"))),
-        "md5.js" => Ok(Content(ContentType::JavaScript, include_bytes!("../static/scripts/md5.js"))),
         "identicon.js" => Ok(Content(ContentType::JavaScript, include_bytes!("../static/scripts/identicon.js"))),
         "datatables.js" => Ok(Content(ContentType::JavaScript, include_bytes!("../static/scripts/datatables.js"))),
         "datatables.css" => Ok(Content(ContentType::CSS, include_bytes!("../static/scripts/datatables.css"))),

src/static/scripts/md5.js

@@ -1,402 +0,0 @@
-/*
- * JavaScript MD5
- * https://github.com/blueimp/JavaScript-MD5
- *
- * Copyright 2011, Sebastian Tschan
- * https://blueimp.net
- *
- * Licensed under the MIT license:
- * https://opensource.org/licenses/MIT
- *
- * Based on
- * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
- * Digest Algorithm, as defined in RFC 1321.
- * Version 2.2 Copyright (C) Paul Johnston 1999 - 2009
- * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
- * Distributed under the BSD License
- * See http://pajhome.org.uk/crypt/md5 for more info.
- */
-
-/* global define */
-
-/* eslint-disable strict */
-
-;(function($) {
-  'use strict'
-
-  /**
-   * Add integers, wrapping at 2^32.
-   * This uses 16-bit operations internally to work around bugs in interpreters.
-   *
-   * @param {number} x First integer
-   * @param {number} y Second integer
-   * @returns {number} Sum
-   */
-  function safeAdd(x, y) {
-    var lsw = (x & 0xffff) + (y & 0xffff)
-    var msw = (x >> 16) + (y >> 16) + (lsw >> 16)
-    return (msw << 16) | (lsw & 0xffff)
-  }
-
-  /**
-   * Bitwise rotate a 32-bit number to the left.
-   *
-   * @param {number} num 32-bit number
-   * @param {number} cnt Rotation count
-   * @returns {number} Rotated number
-   */
-  function bitRotateLeft(num, cnt) {
-    return (num << cnt) | (num >>> (32 - cnt))
-  }
-
-  /**
-   * Basic operation the algorithm uses.
-   *
-   * @param {number} q q
-   * @param {number} a a
-   * @param {number} b b
-   * @param {number} x x
-   * @param {number} s s
-   * @param {number} t t
-   * @returns {number} Result
-   */
-  function md5cmn(q, a, b, x, s, t) {
-    return safeAdd(bitRotateLeft(safeAdd(safeAdd(a, q), safeAdd(x, t)), s), b)
-  }
-  /**
-   * Basic operation the algorithm uses.
-   *
-   * @param {number} a a
-   * @param {number} b b
-   * @param {number} c c
-   * @param {number} d d
-   * @param {number} x x
-   * @param {number} s s
-   * @param {number} t t
-   * @returns {number} Result
-   */
-  function md5ff(a, b, c, d, x, s, t) {
-    return md5cmn((b & c) | (~b & d), a, b, x, s, t)
-  }
-  /**
-   * Basic operation the algorithm uses.
-   *
-   * @param {number} a a
-   * @param {number} b b
-   * @param {number} c c
-   * @param {number} d d
-   * @param {number} x x
-   * @param {number} s s
-   * @param {number} t t
-   * @returns {number} Result
-   */
-  function md5gg(a, b, c, d, x, s, t) {
-    return md5cmn((b & d) | (c & ~d), a, b, x, s, t)
-  }
-  /**
-   * Basic operation the algorithm uses.
-   *
-   * @param {number} a a
-   * @param {number} b b
-   * @param {number} c c
-   * @param {number} d d
-   * @param {number} x x
-   * @param {number} s s
-   * @param {number} t t
-   * @returns {number} Result
-   */
-  function md5hh(a, b, c, d, x, s, t) {
-    return md5cmn(b ^ c ^ d, a, b, x, s, t)
-  }
-  /**
-   * Basic operation the algorithm uses.
-   *
-   * @param {number} a a
-   * @param {number} b b
-   * @param {number} c c
-   * @param {number} d d
-   * @param {number} x x
-   * @param {number} s s
-   * @param {number} t t
-   * @returns {number} Result
-   */
-  function md5ii(a, b, c, d, x, s, t) {
-    return md5cmn(c ^ (b | ~d), a, b, x, s, t)
-  }
-
-  /**
-   * Calculate the MD5 of an array of little-endian words, and a bit length.
-   *
-   * @param {Array} x Array of little-endian words
-   * @param {number} len Bit length
-   * @returns {Array<number>} MD5 Array
-   */
-  function binlMD5(x, len) {
-    /* append padding */
-    x[len >> 5] |= 0x80 << len % 32
-    x[(((len + 64) >>> 9) << 4) + 14] = len
-
-    var i
-    var olda
-    var oldb
-    var oldc
-    var oldd
-    var a = 1732584193
-    var b = -271733879
-    var c = -1732584194
-    var d = 271733878
-
-    for (i = 0; i < x.length; i += 16) {
-      olda = a
-      oldb = b
-      oldc = c
-      oldd = d
-
-      a = md5ff(a, b, c, d, x[i], 7, -680876936)
-      d = md5ff(d, a, b, c, x[i + 1], 12, -389564586)
-      c = md5ff(c, d, a, b, x[i + 2], 17, 606105819)
-      b = md5ff(b, c, d, a, x[i + 3], 22, -1044525330)
-      a = md5ff(a, b, c, d, x[i + 4], 7, -176418897)
-      d = md5ff(d, a, b, c, x[i + 5], 12, 1200080426)
-      c = md5ff(c, d, a, b, x[i + 6], 17, -1473231341)
-      b = md5ff(b, c, d, a, x[i + 7], 22, -45705983)
-      a = md5ff(a, b, c, d, x[i + 8], 7, 1770035416)
-      d = md5ff(d, a, b, c, x[i + 9], 12, -1958414417)
-      c = md5ff(c, d, a, b, x[i + 10], 17, -42063)
-      b = md5ff(b, c, d, a, x[i + 11], 22, -1990404162)
-      a = md5ff(a, b, c, d, x[i + 12], 7, 1804603682)
-      d = md5ff(d, a, b, c, x[i + 13], 12, -40341101)
-      c = md5ff(c, d, a, b, x[i + 14], 17, -1502002290)
-      b = md5ff(b, c, d, a, x[i + 15], 22, 1236535329)
-
-      a = md5gg(a, b, c, d, x[i + 1], 5, -165796510)
-      d = md5gg(d, a, b, c, x[i + 6], 9, -1069501632)
-      c = md5gg(c, d, a, b, x[i + 11], 14, 643717713)
-      b = md5gg(b, c, d, a, x[i], 20, -373897302)
-      a = md5gg(a, b, c, d, x[i + 5], 5, -701558691)
-      d = md5gg(d, a, b, c, x[i + 10], 9, 38016083)
-      c = md5gg(c, d, a, b, x[i + 15], 14, -660478335)
-      b = md5gg(b, c, d, a, x[i + 4], 20, -405537848)
-      a = md5gg(a, b, c, d, x[i + 9], 5, 568446438)
-      d = md5gg(d, a, b, c, x[i + 14], 9, -1019803690)
-      c = md5gg(c, d, a, b, x[i + 3], 14, -187363961)
-      b = md5gg(b, c, d, a, x[i + 8], 20, 1163531501)
-      a = md5gg(a, b, c, d, x[i + 13], 5, -1444681467)
-      d = md5gg(d, a, b, c, x[i + 2], 9, -51403784)
-      c = md5gg(c, d, a, b, x[i + 7], 14, 1735328473)
-      b = md5gg(b, c, d, a, x[i + 12], 20, -1926607734)
-
-      a = md5hh(a, b, c, d, x[i + 5], 4, -378558)
-      d = md5hh(d, a, b, c, x[i + 8], 11, -2022574463)
-      c = md5hh(c, d, a, b, x[i + 11], 16, 1839030562)
-      b = md5hh(b, c, d, a, x[i + 14], 23, -35309556)
-      a = md5hh(a, b, c, d, x[i + 1], 4, -1530992060)
-      d = md5hh(d, a, b, c, x[i + 4], 11, 1272893353)
-      c = md5hh(c, d, a, b, x[i + 7], 16, -155497632)
-      b = md5hh(b, c, d, a, x[i + 10], 23, -1094730640)
-      a = md5hh(a, b, c, d, x[i + 13], 4, 681279174)
-      d = md5hh(d, a, b, c, x[i], 11, -358537222)
-      c = md5hh(c, d, a, b, x[i + 3], 16, -722521979)
-      b = md5hh(b, c, d, a, x[i + 6], 23, 76029189)
-      a = md5hh(a, b, c, d, x[i + 9], 4, -640364487)
-      d = md5hh(d, a, b, c, x[i + 12], 11, -421815835)
-      c = md5hh(c, d, a, b, x[i + 15], 16, 530742520)
-      b = md5hh(b, c, d, a, x[i + 2], 23, -995338651)
-
-      a = md5ii(a, b, c, d, x[i], 6, -198630844)
-      d = md5ii(d, a, b, c, x[i + 7], 10, 1126891415)
-      c = md5ii(c, d, a, b, x[i + 14], 15, -1416354905)
-      b = md5ii(b, c, d, a, x[i + 5], 21, -57434055)
-      a = md5ii(a, b, c, d, x[i + 12], 6, 1700485571)
-      d = md5ii(d, a, b, c, x[i + 3], 10, -1894986606)
-      c = md5ii(c, d, a, b, x[i + 10], 15, -1051523)
-      b = md5ii(b, c, d, a, x[i + 1], 21, -2054922799)
-      a = md5ii(a, b, c, d, x[i + 8], 6, 1873313359)
-      d = md5ii(d, a, b, c, x[i + 15], 10, -30611744)
-      c = md5ii(c, d, a, b, x[i + 6], 15, -1560198380)
-      b = md5ii(b, c, d, a, x[i + 13], 21, 1309151649)
-      a = md5ii(a, b, c, d, x[i + 4], 6, -145523070)
-      d = md5ii(d, a, b, c, x[i + 11], 10, -1120210379)
-      c = md5ii(c, d, a, b, x[i + 2], 15, 718787259)
-      b = md5ii(b, c, d, a, x[i + 9], 21, -343485551)
-
-      a = safeAdd(a, olda)
-      b = safeAdd(b, oldb)
-      c = safeAdd(c, oldc)
-      d = safeAdd(d, oldd)
-    }
-    return [a, b, c, d]
-  }
-
-  /**
-   * Convert an array of little-endian words to a string
-   *
-   * @param {Array<number>} input MD5 Array
-   * @returns {string} MD5 string
-   */
-  function binl2rstr(input) {
-    var i
-    var output = ''
-    var length32 = input.length * 32
-    for (i = 0; i < length32; i += 8) {
-      output += String.fromCharCode((input[i >> 5] >>> i % 32) & 0xff)
-    }
-    return output
-  }
-
-  /**
-   * Convert a raw string to an array of little-endian words
-   * Characters >255 have their high-byte silently ignored.
-   *
-   * @param {string} input Raw input string
-   * @returns {Array<number>} Array of little-endian words
-   */
-  function rstr2binl(input) {
-    var i
-    var output = []
-    output[(input.length >> 2) - 1] = undefined
-    for (i = 0; i < output.length; i += 1) {
-      output[i] = 0
-    }
-    var length8 = input.length * 8
-    for (i = 0; i < length8; i += 8) {
-      output[i >> 5] |= (input.charCodeAt(i / 8) & 0xff) << i % 32
-    }
-    return output
-  }
-
-  /**
-   * Calculate the MD5 of a raw string
-   *
-   * @param {string} s Input string
-   * @returns {string} Raw MD5 string
-   */
-  function rstrMD5(s) {
-    return binl2rstr(binlMD5(rstr2binl(s), s.length * 8))
-  }
-
-  /**
-   * Calculates the HMAC-MD5 of a key and some data (raw strings)
-   *
-   * @param {string} key HMAC key
-   * @param {string} data Raw input string
-   * @returns {string} Raw MD5 string
-   */
-  function rstrHMACMD5(key, data) {
-    var i
-    var bkey = rstr2binl(key)
-    var ipad = []
-    var opad = []
-    var hash
-    ipad[15] = opad[15] = undefined
-    if (bkey.length > 16) {
-      bkey = binlMD5(bkey, key.length * 8)
-    }
-    for (i = 0; i < 16; i += 1) {
-      ipad[i] = bkey[i] ^ 0x36363636
-      opad[i] = bkey[i] ^ 0x5c5c5c5c
-    }
-    hash = binlMD5(ipad.concat(rstr2binl(data)), 512 + data.length * 8)
-    return binl2rstr(binlMD5(opad.concat(hash), 512 + 128))
-  }
-
-  /**
-   * Convert a raw string to a hex string
-   *
-   * @param {string} input Raw input string
-   * @returns {string} Hex encoded string
-   */
-  function rstr2hex(input) {
-    var hexTab = '0123456789abcdef'
-    var output = ''
-    var x
-    var i
-    for (i = 0; i < input.length; i += 1) {
-      x = input.charCodeAt(i)
-      output += hexTab.charAt((x >>> 4) & 0x0f) + hexTab.charAt(x & 0x0f)
-    }
-    return output
-  }
-
-  /**
-   * Encode a string as UTF-8
-   *
-   * @param {string} input Input string
-   * @returns {string} UTF8 string
-   */
-  function str2rstrUTF8(input) {
-    return unescape(encodeURIComponent(input))
-  }
-
-  /**
-   * Encodes input string as raw MD5 string
-   *
-   * @param {string} s Input string
-   * @returns {string} Raw MD5 string
-   */
-  function rawMD5(s) {
-    return rstrMD5(str2rstrUTF8(s))
-  }
-  /**
-   * Encodes input string as Hex encoded string
-   *
-   * @param {string} s Input string
-   * @returns {string} Hex encoded string
-   */
-  function hexMD5(s) {
-    return rstr2hex(rawMD5(s))
-  }
-  /**
-   * Calculates the raw HMAC-MD5 for the given key and data
-   *
-   * @param {string} k HMAC key
-   * @param {string} d Input string
-   * @returns {string} Raw MD5 string
-   */
-  function rawHMACMD5(k, d) {
-    return rstrHMACMD5(str2rstrUTF8(k), str2rstrUTF8(d))
-  }
-  /**
-   * Calculates the Hex encoded HMAC-MD5 for the given key and data
-   *
-   * @param {string} k HMAC key
-   * @param {string} d Input string
-   * @returns {string} Raw MD5 string
-   */
-  function hexHMACMD5(k, d) {
-    return rstr2hex(rawHMACMD5(k, d))
-  }
-
-  /**
-   * Calculates MD5 value for a given string.
-   * If a key is provided, calculates the HMAC-MD5 value.
-   * Returns a Hex encoded string unless the raw argument is given.
-   *
-   * @param {string} string Input string
-   * @param {string} [key] HMAC key
-   * @param {boolean} [raw] Raw output switch
-   * @returns {string} MD5 output
-   */
-  function md5(string, key, raw) {
-    if (!key) {
-      if (!raw) {
-        return hexMD5(string)
-      }
-      return rawMD5(string)
-    }
-    if (!raw) {
-      return hexHMACMD5(key, string)
-    }
-    return rawHMACMD5(key, string)
-  }
-
-  if (typeof define === 'function' && define.amd) {
-    define(function() {
-      return md5
-    })
-  } else if (typeof module === 'object' && module.exports) {
-    module.exports = md5
-  } else {
-    $.md5 = md5
-  }
-})(this)

src/static/templates/admin/base.hbs

@@ -20,7 +20,6 @@
             width: auto;
         }
     </style>
-    <script src="{{urlpath}}/bwrs_static/md5.js"></script>
     <script src="{{urlpath}}/bwrs_static/identicon.js"></script>
     <script>
         function reload() { window.location.reload(); }
@@ -28,8 +27,17 @@
             text && alert(text);
             reload_page && reload();
         }
-        function identicon(email) {
+        async function sha256(message) {
-            const data = new Identicon(md5(email), { size: 48, format: 'svg' });
+            // https://developer.mozilla.org/en-US/docs/Web/API/SubtleCrypto/digest
+            const msgUint8 = new TextEncoder().encode(message);
+            const hashBuffer = await crypto.subtle.digest('SHA-256', msgUint8);
+            const hashArray = Array.from(new Uint8Array(hashBuffer));
+            const hashHex = hashArray.map(b => b.toString(16).padStart(2, '0')).join('');
+            return hashHex;
+        }
+        async function identicon(email) {
+            const hash = await sha256(email);
+            const data = new Identicon(hash, { size: 48, format: 'svg' });
             return "data:image/svg+xml;base64," + data.toString();
         }
         function toggleVis(input_id) {

src/static/templates/admin/organizations.hbs

@@ -73,9 +73,11 @@
         return false;
     }
 
-    document.querySelectorAll("img.identicon").forEach(function (e, i) {
+    (async () => {
-        e.src = identicon(e.dataset.src);
+        for (let e of document.querySelectorAll("img.identicon")) {
-    });
+            e.src = await identicon(e.dataset.src);
+        }
+    })();
 
     document.addEventListener("DOMContentLoaded", function(event) {
         $('#orgs-table').DataTable({

src/static/templates/admin/users.hbs

@@ -206,9 +206,11 @@
         "3": { "name": "Manager", "color": "green" },
     };
 
-    document.querySelectorAll("img.identicon").forEach(function (e, i) {
+    (async () => {
-        e.src = identicon(e.dataset.src);
+        for (let e of document.querySelectorAll("img.identicon")) {
-    });
+            e.src = await identicon(e.dataset.src);
+        }
+    })();
 
     document.querySelectorAll("[data-orgtype]").forEach(function (e, i) {
         let orgtype = OrgTypes[e.dataset.orgtype];