Merge pull request #72 from mozilla/logging

Logging

frontend/src/download.js

@@ -1,4 +1,5 @@
 const FileReceiver = require('./fileReceiver');
+const $ = require('jquery');
 
 $(document).ready(function() {
   $('#send-file').click(() => {
@@ -12,11 +13,6 @@ $(document).ready(function() {
     let progress = document.createElement('p');
     let btn = $('#download-btn');
 
-    // li.appendChild(name);
-    // li.appendChild(progress);
-
-    //document.getElementById('downloaded_files').appendChild(li);
-
     fileReceiver.on('progress', percentComplete => {
       progress.innerText = `Progress: ${percentComplete}%`;
 
@@ -24,16 +20,6 @@ $(document).ready(function() {
         fileReceiver.removeAllListeners('progress');
         btn.text('Download complete!');
         btn.attr('disabled', 'true');
-        // let finished = document.createElement('p');
-        // finished.innerText = 'Your download has finished.';
-        // li.appendChild(finished);
-
-        // let close = document.createElement('button');
-        // close.innerText = 'Ok';
-        // close.addEventListener('click', () => {
-        //   document.getElementById('downloaded_files').removeChild(li);
-        // });
-        // li.appendChild(close);
       }
     });
 
@@ -46,7 +32,6 @@ $(document).ready(function() {
         $('#download-btn').hide();
         $('#expired-img').show();
         console.log('The file has expired, or has already been deleted.');
-        // document.getElementById('downloaded_files').removeChild(li);
         return;
       })
       .then(([decrypted, fname]) => {
@@ -57,6 +42,11 @@ $(document).ready(function() {
 
         let a = document.createElement('a');
         a.href = downloadUrl;
+        if (window.navigator.msSaveBlob) {
+          // if we are in microsoft edge or IE
+          window.navigator.msSaveBlob(blob, fname);
+          return;
+        }
         a.download = fname;
         document.body.appendChild(a);
         a.click();

frontend/src/upload.js

@@ -1,4 +1,5 @@
 const FileSender = require('./fileSender');
+const $ = require('jquery');
 
 $(document).ready(function() {
   let copyBtn = $('#copy-btn');

package-lock.json

@@ -27,14 +27,12 @@
     "ansi-regex": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
-      "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
+      "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8="
-      "dev": true
     },
     "ansi-styles": {
       "version": "2.2.1",
       "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-2.2.1.tgz",
-      "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=",
+      "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4="
-      "dev": true
     },
     "anymatch": {
       "version": "1.3.0",
@@ -343,8 +341,7 @@
     "chalk": {
       "version": "1.1.3",
       "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
-      "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
+      "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg="
-      "dev": true
     },
     "chokidar": {
       "version": "1.7.0",
@@ -558,6 +555,11 @@
       "integrity": "sha1-6vQ5/U1ISK105cx9vvIAZyueNFs=",
       "dev": true
     },
+    "dbug": {
+      "version": "0.4.2",
+      "resolved": "https://registry.npmjs.org/dbug/-/dbug-0.4.2.tgz",
+      "integrity": "sha1-MrSzEF6IYQQ6b5rHVdgOVC02WzE="
+    },
     "debug": {
       "version": "2.6.7",
       "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.7.tgz",
@@ -685,8 +687,7 @@
     "escape-string-regexp": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz",
-      "integrity": "sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=",
+      "integrity": "sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ="
-      "dev": true
     },
     "esutils": {
       "version": "2.0.2",
@@ -1557,8 +1558,7 @@
     "has-ansi": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/has-ansi/-/has-ansi-2.0.0.tgz",
-      "integrity": "sha1-NPUEnOHs3ysGSa8+8k5F7TVBbZE=",
+      "integrity": "sha1-NPUEnOHs3ysGSa8+8k5F7TVBbZE="
-      "dev": true
     },
     "hash-base": {
       "version": "2.0.2",
@@ -1633,6 +1633,11 @@
       "integrity": "sha1-wDv04BywhtW15azorQr+eInWOMM=",
       "dev": true
     },
+    "intel": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/intel/-/intel-1.2.0.tgz",
+      "integrity": "sha1-EdEUfraz9Fgr31M3s31UFYTp5B4="
+    },
     "ipaddr.js": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/ipaddr.js/-/ipaddr.js-1.3.0.tgz",
@@ -1750,6 +1755,11 @@
       "resolved": "https://registry.npmjs.org/jmespath/-/jmespath-0.15.0.tgz",
       "integrity": "sha1-o/Iiqarp+Wb10nx5ZRDigJF2Qhc="
     },
+    "jquery": {
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/jquery/-/jquery-3.2.1.tgz",
+      "integrity": "sha1-XE2d5lKvbNCncBVKYxu6ErAVx4c="
+    },
     "js-tokens": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-3.0.1.tgz",
@@ -1841,6 +1851,11 @@
       "resolved": "https://registry.npmjs.org/media-typer/-/media-typer-0.3.0.tgz",
       "integrity": "sha1-hxDXrwqmJvj/+hzgAWhUUmMlV0g="
     },
+    "merge": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/merge/-/merge-1.2.0.tgz",
+      "integrity": "sha1-dTHjnUlJwoGma4xabgJl6LBYlNo="
+    },
     "merge-descriptors": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/merge-descriptors/-/merge-descriptors-1.0.1.tgz",
@@ -1927,6 +1942,11 @@
         }
       }
     },
+    "mozlog": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/mozlog/-/mozlog-2.1.1.tgz",
+      "integrity": "sha1-JxCOChxQvOMuo3Q4kRiDrjdO77s="
+    },
     "ms": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
@@ -2356,6 +2376,11 @@
       "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.6.tgz",
       "integrity": "sha1-dc449SvwczxafwwRjYEzSiu19BI="
     },
+    "stack-trace": {
+      "version": "0.0.10",
+      "resolved": "https://registry.npmjs.org/stack-trace/-/stack-trace-0.0.10.tgz",
+      "integrity": "sha1-VHxws0fo0ytOEI6hoqFZ5f3eGcA="
+    },
     "statuses": {
       "version": "1.3.1",
       "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.3.1.tgz",
@@ -2470,6 +2495,11 @@
       "resolved": "https://registry.npmjs.org/streamsearch/-/streamsearch-0.1.2.tgz",
       "integrity": "sha1-gIudDlb8Jz2Am6VzOOkpkZoanxo="
     },
+    "strftime": {
+      "version": "0.10.0",
+      "resolved": "https://registry.npmjs.org/strftime/-/strftime-0.10.0.tgz",
+      "integrity": "sha1-s/D6QZKVICpaKJ9ta+n0kJphcZM="
+    },
     "string_decoder": {
       "version": "0.10.31",
       "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
@@ -2478,8 +2508,7 @@
     "strip-ansi": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
-      "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
+      "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8="
-      "dev": true
     },
     "subarg": {
       "version": "1.0.0",
@@ -2490,8 +2519,12 @@
     "supports-color": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
-      "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
+      "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc="
-      "dev": true
+    },
+    "symbol": {
+      "version": "0.3.1",
+      "resolved": "https://registry.npmjs.org/symbol/-/symbol-0.3.1.tgz",
+      "integrity": "sha1-tvmpANSWpX8CQI8iGYwQndoGMEE="
     },
     "syntax-error": {
       "version": "1.3.0",
@@ -2602,6 +2635,11 @@
         }
       }
     },
+    "utcstring": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/utcstring/-/utcstring-0.1.0.tgz",
+      "integrity": "sha1-Qw/VEKt/yVtdWRDJAteYgMIIQ2s="
+    },
     "util": {
       "version": "0.10.3",
       "resolved": "https://registry.npmjs.org/util/-/util-0.10.3.tgz",

package.json

@@ -13,6 +13,8 @@
     "express": "^4.15.3",
     "express-handlebars": "^3.0.0",
     "fs-extra": "^3.0.1",
+    "jquery": "^3.2.1",
+    "mozlog": "^2.1.1",
     "node-fetch": "^1.7.1",
     "path": "^0.12.7",
     "redis": "^2.7.1"

public/webcrypto-shim.js

@@ -0,0 +1,597 @@
+/**
+ * @file Web Cryptography API shim
+ * @author Artem S Vybornov <vybornov@gmail.com>
+ * @license MIT
+ */
+!function ( global ) {
+    'use strict';
+
+    if ( typeof Promise !== 'function' )
+        throw "Promise support required";
+
+    var _crypto = global.crypto || global.msCrypto;
+    if ( !_crypto ) return;
+
+    var _subtle = _crypto.subtle || _crypto.webkitSubtle;
+    if ( !_subtle ) return;
+
+    var _Crypto     = global.Crypto || _crypto.constructor || Object,
+        _SubtleCrypto = global.SubtleCrypto || _subtle.constructor || Object,
+        _CryptoKey  = global.CryptoKey || global.Key || Object;
+
+    var isIE    = !!global.msCrypto,
+        isWebkit = !!_crypto.webkitSubtle;
+    if ( !isIE && !isWebkit ) return;
+
+    function s2a ( s ) {
+        return btoa(s).replace(/\=+$/, '').replace(/\+/g, '-').replace(/\//g, '_');
+    }
+
+    function a2s ( s ) {
+        s += '===', s = s.slice( 0, -s.length % 4 );
+        return atob( s.replace(/-/g, '+').replace(/_/g, '/') );
+    }
+
+    function s2b ( s ) {
+        var b = new Uint8Array(s.length);
+        for ( var i = 0; i < s.length; i++ ) b[i] = s.charCodeAt(i);
+        return b;
+    }
+
+    function b2s ( b ) {
+        if ( b instanceof ArrayBuffer ) b = new Uint8Array(b);
+        return String.fromCharCode.apply( String, b );
+    }
+
+    function alg ( a ) {
+        var r = { 'name': (a.name || a || '').toUpperCase().replace('V','v') };
+        switch ( r.name ) {
+            case 'SHA-1':
+            case 'SHA-256':
+            case 'SHA-384':
+            case 'SHA-512':
+                break;
+            case 'AES-CBC':
+            case 'AES-GCM':
+            case 'AES-KW':
+                if ( a.length ) r['length'] = a.length;
+                break;
+            case 'HMAC':
+                if ( a.hash ) r['hash'] = alg(a.hash);
+                if ( a.length ) r['length'] = a.length;
+                break;
+            case 'RSAES-PKCS1-v1_5':
+                if ( a.publicExponent ) r['publicExponent'] = new Uint8Array(a.publicExponent);
+                if ( a.modulusLength ) r['modulusLength'] = a.modulusLength;
+                break;
+            case 'RSASSA-PKCS1-v1_5':
+            case 'RSA-OAEP':
+                if ( a.hash ) r['hash'] = alg(a.hash);
+                if ( a.publicExponent ) r['publicExponent'] = new Uint8Array(a.publicExponent);
+                if ( a.modulusLength ) r['modulusLength'] = a.modulusLength;
+                break;
+            default:
+                throw new SyntaxError("Bad algorithm name");
+        }
+        return r;
+    };
+
+    function jwkAlg ( a ) {
+        return {
+            'HMAC': {
+                'SHA-1': 'HS1',
+                'SHA-256': 'HS256',
+                'SHA-384': 'HS384',
+                'SHA-512': 'HS512',
+            },
+            'RSASSA-PKCS1-v1_5': {
+                'SHA-1': 'RS1',
+                'SHA-256': 'RS256',
+                'SHA-384': 'RS384',
+                'SHA-512': 'RS512',
+            },
+            'RSAES-PKCS1-v1_5': {
+                '': 'RSA1_5',
+            },
+            'RSA-OAEP': {
+                'SHA-1': 'RSA-OAEP',
+                'SHA-256': 'RSA-OAEP-256',
+            },
+            'AES-KW': {
+                '128': 'A128KW',
+                '192': 'A192KW',
+                '256': 'A256KW',
+            },
+            'AES-GCM': {
+                '128': 'A128GCM',
+                '192': 'A192GCM',
+                '256': 'A256GCM',
+            },
+            'AES-CBC': {
+                '128': 'A128CBC',
+                '192': 'A192CBC',
+                '256': 'A256CBC',
+            },
+        }[a.name][ ( a.hash || {} ).name || a.length || '' ];
+    }
+
+    function b2jwk ( k ) {
+        if ( k instanceof ArrayBuffer || k instanceof Uint8Array ) k = JSON.parse( decodeURIComponent( escape( b2s(k) ) ) );
+        var jwk = { 'kty': k.kty, 'alg': k.alg, 'ext': k.ext || k.extractable };
+        switch ( jwk.kty ) {
+            case 'oct':
+                jwk.k = k.k;
+            case 'RSA':
+                [ 'n', 'e', 'd', 'p', 'q', 'dp', 'dq', 'qi', 'oth' ].forEach( function ( x ) { if ( x in k ) jwk[x] = k[x] } );
+                break;
+            default:
+                throw new TypeError("Unsupported key type");
+        }
+        return jwk;
+    }
+
+    function jwk2b ( k ) {
+        var jwk = b2jwk(k);
+        if ( isIE ) jwk['extractable'] = jwk.ext, delete jwk.ext;
+        return s2b( unescape( encodeURIComponent( JSON.stringify(jwk) ) ) ).buffer;
+    }
+
+    function pkcs2jwk ( k ) {
+        var info = b2der(k), prv = false;
+        if ( info.length > 2 ) prv = true, info.shift(); // remove version from PKCS#8 PrivateKeyInfo structure
+        var jwk = { 'ext': true };
+        switch ( info[0][0] ) {
+            case '1.2.840.113549.1.1.1':
+                var rsaComp = [ 'n', 'e', 'd', 'p', 'q', 'dp', 'dq', 'qi' ],
+                    rsaKey  = b2der( info[1] );
+                if ( prv ) rsaKey.shift(); // remove version from PKCS#1 RSAPrivateKey structure
+                for ( var i = 0; i < rsaKey.length; i++ ) {
+                    if ( !rsaKey[i][0] ) rsaKey[i] = rsaKey[i].subarray(1);
+                    jwk[ rsaComp[i] ] = s2a( b2s( rsaKey[i] ) );
+                }
+                jwk['kty'] = 'RSA';
+                break;
+            default:
+                throw new TypeError("Unsupported key type");
+        }
+        return jwk;
+    }
+
+    function jwk2pkcs ( k ) {
+        var key, info = [ [ '', null ] ], prv = false;
+        switch ( k.kty ) {
+            case 'RSA':
+                var rsaComp = [ 'n', 'e', 'd', 'p', 'q', 'dp', 'dq', 'qi' ],
+                    rsaKey = [];
+                for ( var i = 0; i < rsaComp.length; i++ ) {
+                    if ( !( rsaComp[i] in k ) ) break;
+                    var b = rsaKey[i] = s2b( a2s( k[ rsaComp[i] ] ) );
+                    if ( b[0] & 0x80 ) rsaKey[i] = new Uint8Array(b.length + 1), rsaKey[i].set( b, 1 );
+                }
+                if ( rsaKey.length > 2 ) prv = true, rsaKey.unshift( new Uint8Array([0]) ); // add version to PKCS#1 RSAPrivateKey structure
+                info[0][0] = '1.2.840.113549.1.1.1';
+                key = rsaKey;
+                break;
+            default:
+                throw new TypeError("Unsupported key type");
+        }
+        info.push( new Uint8Array( der2b(key) ).buffer );
+        if ( !prv ) info[1] = { 'tag': 0x03, 'value': info[1] };
+        else info.unshift( new Uint8Array([0]) ); // add version to PKCS#8 PrivateKeyInfo structure
+        return new Uint8Array( der2b(info) ).buffer;
+    }
+
+    var oid2str = { 'KoZIhvcNAQEB': '1.2.840.113549.1.1.1' },
+        str2oid = { '1.2.840.113549.1.1.1': 'KoZIhvcNAQEB' };
+
+    function b2der ( buf, ctx ) {
+        if ( buf instanceof ArrayBuffer ) buf = new Uint8Array(buf);
+        if ( !ctx ) ctx = { pos: 0, end: buf.length };
+
+        if ( ctx.end - ctx.pos < 2 || ctx.end > buf.length ) throw new RangeError("Malformed DER");
+
+        var tag = buf[ctx.pos++],
+            len = buf[ctx.pos++];
+
+        if ( len >= 0x80 ) {
+            len &= 0x7f;
+            if ( ctx.end - ctx.pos < len ) throw new RangeError("Malformed DER");
+            for ( var xlen = 0; len--; ) xlen <<= 8, xlen |= buf[ctx.pos++];
+            len = xlen;
+        }
+
+        if ( ctx.end - ctx.pos < len ) throw new RangeError("Malformed DER");
+
+        var rv;
+
+        switch ( tag ) {
+            case 0x02: // Universal Primitive INTEGER
+                rv = buf.subarray( ctx.pos, ctx.pos += len );
+                break;
+            case 0x03: // Universal Primitive BIT STRING
+                if ( buf[ctx.pos++] ) throw new Error( "Unsupported bit string" );
+                len--;
+            case 0x04: // Universal Primitive OCTET STRING
+                rv = new Uint8Array( buf.subarray( ctx.pos, ctx.pos += len ) ).buffer;
+                break;
+            case 0x05: // Universal Primitive NULL
+                rv = null;
+                break;
+            case 0x06: // Universal Primitive OBJECT IDENTIFIER
+                var oid = btoa( b2s( buf.subarray( ctx.pos, ctx.pos += len ) ) );
+                if ( !( oid in oid2str ) ) throw new Error( "Unsupported OBJECT ID " + oid );
+                rv = oid2str[oid];
+                break;
+            case 0x30: // Universal Constructed SEQUENCE
+                rv = [];
+                for ( var end = ctx.pos + len; ctx.pos < end; ) rv.push( b2der( buf, ctx ) );
+                break;
+            default:
+                throw new Error( "Unsupported DER tag 0x" + tag.toString(16) );
+        }
+
+        return rv;
+    }
+
+    function der2b ( val, buf ) {
+        if ( !buf ) buf = [];
+
+        var tag = 0, len = 0,
+            pos = buf.length + 2;
+
+        buf.push( 0, 0 ); // placeholder
+
+        if ( val instanceof Uint8Array ) {  // Universal Primitive INTEGER
+            tag = 0x02, len = val.length;
+            for ( var i = 0; i < len; i++ ) buf.push( val[i] );
+        }
+        else if ( val instanceof ArrayBuffer ) { // Universal Primitive OCTET STRING
+            tag = 0x04, len = val.byteLength, val = new Uint8Array(val);
+            for ( var i = 0; i < len; i++ ) buf.push( val[i] );
+        }
+        else if ( val === null ) { // Universal Primitive NULL
+            tag = 0x05, len = 0;
+        }
+        else if ( typeof val === 'string' && val in str2oid ) { // Universal Primitive OBJECT IDENTIFIER
+            var oid = s2b( atob( str2oid[val] ) );
+            tag = 0x06, len = oid.length;
+            for ( var i = 0; i < len; i++ ) buf.push( oid[i] );
+        }
+        else if ( val instanceof Array ) { // Universal Constructed SEQUENCE
+            for ( var i = 0; i < val.length; i++ ) der2b( val[i], buf );
+            tag = 0x30, len = buf.length - pos;
+        }
+        else if ( typeof val === 'object' && val.tag === 0x03 && val.value instanceof ArrayBuffer ) { // Tag hint
+            val = new Uint8Array(val.value), tag = 0x03, len = val.byteLength;
+            buf.push(0); for ( var i = 0; i < len; i++ ) buf.push( val[i] );
+            len++;
+        }
+        else {
+            throw new Error( "Unsupported DER value " + val );
+        }
+
+        if ( len >= 0x80 ) {
+            var xlen = len, len = 4;
+            buf.splice( pos, 0, (xlen >> 24) & 0xff, (xlen >> 16) & 0xff, (xlen >> 8) & 0xff, xlen & 0xff );
+            while ( len > 1 && !(xlen >> 24) ) xlen <<= 8, len--;
+            if ( len < 4 ) buf.splice( pos, 4 - len );
+            len |= 0x80;
+        }
+
+        buf.splice( pos - 2, 2, tag, len );
+
+        return buf;
+    }
+
+    function CryptoKey ( key, alg, ext, use ) {
+        Object.defineProperties( this, {
+            _key: {
+                value: key
+            },
+            type: {
+                value: key.type,
+                enumerable: true,
+            },
+            extractable: {
+                value: (ext === undefined) ? key.extractable : ext,
+                enumerable: true,
+            },
+            algorithm: {
+                value: (alg === undefined) ? key.algorithm : alg,
+                enumerable: true,
+            },
+            usages: {
+                value: (use === undefined) ? key.usages : use,
+                enumerable: true,
+            },
+        });
+    }
+
+    function isPubKeyUse ( u ) {
+        return u === 'verify' || u === 'encrypt' || u === 'wrapKey';
+    }
+
+    function isPrvKeyUse ( u ) {
+        return u === 'sign' || u === 'decrypt' || u === 'unwrapKey';
+    }
+
+    [ 'generateKey', 'importKey', 'unwrapKey' ]
+        .forEach( function ( m ) {
+            var _fn = _subtle[m];
+
+            _subtle[m] = function ( a, b, c ) {
+                var args = [].slice.call(arguments),
+                    ka, kx, ku;
+
+                switch ( m ) {
+                    case 'generateKey':
+                        ka = alg(a), kx = b, ku = c;
+                        break;
+                    case 'importKey':
+                        ka = alg(c), kx = args[3], ku = args[4];
+                        if ( a === 'jwk' ) {
+                            b = b2jwk(b);
+                            if ( !b.alg ) b.alg = jwkAlg(ka);
+                            if ( !b.key_ops ) b.key_ops = ( b.kty !== 'oct' ) ? ( 'd' in b ) ? ku.filter(isPrvKeyUse) : ku.filter(isPubKeyUse) : ku.slice();
+                            args[1] = jwk2b(b);
+                        }
+                        break;
+                    case 'unwrapKey':
+                        ka = args[4], kx = args[5], ku = args[6];
+                        args[2] = c._key;
+                        break;
+                }
+
+                if ( m === 'generateKey' && ka.name === 'HMAC' && ka.hash ) {
+                    ka.length = ka.length || { 'SHA-1': 512, 'SHA-256': 512, 'SHA-384': 1024, 'SHA-512': 1024 }[ka.hash.name];
+                    return _subtle.importKey( 'raw', _crypto.getRandomValues( new Uint8Array( (ka.length+7)>>3 ) ), ka, kx, ku );
+                }
+
+                if ( isWebkit && m === 'generateKey' && ka.name === 'RSASSA-PKCS1-v1_5' && ( !ka.modulusLength || ka.modulusLength >= 2048 ) ) {
+                    a = alg(a), a.name = 'RSAES-PKCS1-v1_5', delete a.hash;
+                    return _subtle.generateKey( a, true, [ 'encrypt', 'decrypt' ] )
+                        .then( function ( k ) {
+                            return Promise.all([
+                                _subtle.exportKey( 'jwk', k.publicKey ),
+                                _subtle.exportKey( 'jwk', k.privateKey ),
+                            ]);
+                        })
+                        .then( function ( keys ) {
+                            keys[0].alg = keys[1].alg = jwkAlg(ka);
+                            keys[0].key_ops = ku.filter(isPubKeyUse), keys[1].key_ops = ku.filter(isPrvKeyUse);
+                            return Promise.all([
+                                _subtle.importKey( 'jwk', keys[0], ka, kx, keys[0].key_ops ),
+                                _subtle.importKey( 'jwk', keys[1], ka, kx, keys[1].key_ops ),
+                            ]);
+                        })
+                        .then( function ( keys ) {
+                            return {
+                                publicKey: keys[0],
+                                privateKey: keys[1],
+                            };
+                        });
+                }
+
+                if ( ( isWebkit || ( isIE && ( ka.hash || {} ).name === 'SHA-1' ) )
+                        && m === 'importKey' && a === 'jwk' && ka.name === 'HMAC' && b.kty === 'oct' ) {
+                    return _subtle.importKey( 'raw', s2b( a2s(b.k) ), c, args[3], args[4] );
+                }
+
+                if ( isWebkit && m === 'importKey' && ( a === 'spki' || a === 'pkcs8' ) ) {
+                    return _subtle.importKey( 'jwk', pkcs2jwk(b), c, args[3], args[4] );
+                }
+
+                if ( isIE && m === 'unwrapKey' ) {
+                    return _subtle.decrypt( args[3], c, b )
+                        .then( function ( k ) {
+                            return _subtle.importKey( a, k, args[4], args[5], args[6] );
+                        });
+                }
+
+                var op;
+                try {
+                    op = _fn.apply( _subtle, args );
+                }
+                catch ( e ) {
+                    return Promise.reject(e);
+                }
+
+                if ( isIE ) {
+                    op = new Promise( function ( res, rej ) {
+                        op.onabort =
+                        op.onerror =    function ( e ) { rej(e)               };
+                        op.oncomplete = function ( r ) { res(r.target.result) };
+                    });
+                }
+
+                op = op.then( function ( k ) {
+                    if ( ka.name === 'HMAC' ) {
+                        if ( !ka.length ) ka.length = 8 * k.algorithm.length;
+                    }
+                    if ( ka.name.search('RSA') == 0 ) {
+                        if ( !ka.modulusLength ) ka.modulusLength = (k.publicKey || k).algorithm.modulusLength;
+                        if ( !ka.publicExponent ) ka.publicExponent = (k.publicKey || k).algorithm.publicExponent;
+                    }
+                    if ( k.publicKey && k.privateKey ) {
+                        k = {
+                            publicKey: new CryptoKey( k.publicKey, ka, kx, ku.filter(isPubKeyUse) ),
+                            privateKey: new CryptoKey( k.privateKey, ka, kx, ku.filter(isPrvKeyUse) ),
+                        };
+                    }
+                    else {
+                        k = new CryptoKey( k, ka, kx, ku );
+                    }
+                    return k;
+                });
+
+                return op;
+            }
+        });
+
+    [ 'exportKey', 'wrapKey' ]
+        .forEach( function ( m ) {
+            var _fn = _subtle[m];
+
+            _subtle[m] = function ( a, b, c ) {
+                var args = [].slice.call(arguments);
+
+                switch ( m ) {
+                    case 'exportKey':
+                        args[1] = b._key;
+                        break;
+                    case 'wrapKey':
+                        args[1] = b._key, args[2] = c._key;
+                        break;
+                }
+
+                if ( ( isWebkit || ( isIE && ( b.algorithm.hash || {} ).name === 'SHA-1' ) )
+                        && m === 'exportKey' && a === 'jwk' && b.algorithm.name === 'HMAC' ) {
+                    args[0] = 'raw';
+                }
+
+                if ( isWebkit && m === 'exportKey' && ( a === 'spki' || a === 'pkcs8' ) ) {
+                    args[0] = 'jwk';
+                }
+
+                if ( isIE && m === 'wrapKey' ) {
+                    return _subtle.exportKey( a, b )
+                        .then( function ( k ) {
+                            if ( a === 'jwk' ) k = s2b( unescape( encodeURIComponent( JSON.stringify( b2jwk(k) ) ) ) );
+                            return  _subtle.encrypt( args[3], c, k );
+                        });
+                }
+
+                var op;
+                try {
+                    op = _fn.apply( _subtle, args );
+                }
+                catch ( e ) {
+                    return Promise.reject(e);
+                }
+
+                if ( isIE ) {
+                    op = new Promise( function ( res, rej ) {
+                        op.onabort =
+                        op.onerror =    function ( e ) { rej(e)               };
+                        op.oncomplete = function ( r ) { res(r.target.result) };
+                    });
+                }
+
+                if ( m === 'exportKey' && a === 'jwk' ) {
+                    op = op.then( function ( k ) {
+                        if ( ( isWebkit || ( isIE && ( b.algorithm.hash || {} ).name === 'SHA-1' ) )
+                                && b.algorithm.name === 'HMAC') {
+                            return { 'kty': 'oct', 'alg': jwkAlg(b.algorithm), 'key_ops': b.usages.slice(), 'ext': true, 'k': s2a( b2s(k) ) };
+                        }
+                        k = b2jwk(k);
+                        if ( !k.alg ) k['alg'] = jwkAlg(b.algorithm);
+                        if ( !k.key_ops ) k['key_ops'] = ( b.type === 'public' ) ? b.usages.filter(isPubKeyUse) : ( b.type === 'private' ) ? b.usages.filter(isPrvKeyUse) : b.usages.slice();
+                        return k;
+                    });
+                }
+
+                if ( isWebkit && m === 'exportKey' && ( a === 'spki' || a === 'pkcs8' ) ) {
+                    op = op.then( function ( k ) {
+                        k = jwk2pkcs( b2jwk(k) );
+                        return k;
+                    });
+                }
+
+                return op;
+            }
+        });
+
+    [ 'encrypt', 'decrypt', 'sign', 'verify' ]
+        .forEach( function ( m ) {
+            var _fn = _subtle[m];
+
+            _subtle[m] = function ( a, b, c, d ) {
+                if ( isIE && ( !c.byteLength || ( d && !d.byteLength ) ) )
+                    throw new Error("Empy input is not allowed");
+
+                var args = [].slice.call(arguments),
+                    ka = alg(a);
+
+                if ( isIE && m === 'decrypt' && ka.name === 'AES-GCM' ) {
+                    var tl = a.tagLength >> 3;
+                    args[2] = (c.buffer || c).slice( 0, c.byteLength - tl ),
+                    a.tag = (c.buffer || c).slice( c.byteLength - tl );
+                }
+
+                args[1] = b._key;
+
+                var op;
+                try {
+                    op = _fn.apply( _subtle, args );
+                }
+                catch ( e ) {
+                    return Promise.reject(e);
+                }
+
+                if ( isIE ) {
+                    op = new Promise( function ( res, rej ) {
+                        op.onabort =
+                        op.onerror = function ( e ) {
+                            rej(e);
+                        };
+
+                        op.oncomplete = function ( r ) {
+                            var r = r.target.result;
+
+                            if ( m === 'encrypt' && r instanceof AesGcmEncryptResult ) {
+                                var c = r.ciphertext, t = r.tag;
+                                r = new Uint8Array( c.byteLength + t.byteLength );
+                                r.set( new Uint8Array(c), 0 );
+                                r.set( new Uint8Array(t), c.byteLength );
+                                r = r.buffer;
+                            }
+
+                            res(r);
+                        };
+                    });
+                }
+
+                return op;
+            }
+        });
+
+    if ( isIE ) {
+        var _digest = _subtle.digest;
+
+        _subtle['digest'] = function ( a, b ) {
+            if ( !b.byteLength )
+                throw new Error("Empy input is not allowed");
+
+            var op;
+            try {
+                op = _digest.call( _subtle, a, b );
+            }
+            catch ( e ) {
+                return Promise.reject(e);
+            }
+
+            op = new Promise( function ( res, rej ) {
+                op.onabort =
+                op.onerror =    function ( e ) { rej(e)               };
+                op.oncomplete = function ( r ) { res(r.target.result) };
+            });
+
+            return op;
+        };
+
+        global.crypto = Object.create( _crypto, {
+            getRandomValues: { value: function ( a ) { return _crypto.getRandomValues(a) } },
+            subtle:          { value: _subtle },
+        });
+
+        global.CryptoKey = CryptoKey;
+    }
+
+    if ( isWebkit ) {
+        _crypto.subtle = _subtle;
+
+        global.Crypto = _Crypto;
+        global.SubtleCrypto = _SubtleCrypto;
+        global.CryptoKey = CryptoKey;
+    }
+}(this);

server/config.js

@@ -32,4 +32,10 @@ let conf = convict({
 // Perform validation
 conf.validate({ allowed: 'strict' });
 
-module.exports = conf.getProperties();
+let props = conf.getProperties();
+module.exports = props;
+
+module.exports.notLocalHost =
+  props.env === 'production' &&
+  props.s3_bucket !== 'localhost' &&
+  props.bitly_key !== 'localhost';

server/log.js

@@ -0,0 +1,12 @@
+const conf = require('./config.js');
+
+let notLocalHost = conf.notLocalHost;
+
+const mozlog = require('mozlog') ({
+  app: 'FirefoxFileshare',
+  level: notLocalHost ? 'INFO' : 'verbose',
+  fmt: notLocalHost ? 'heka' : 'pretty',
+  debug: !notLocalHost
+})
+
+module.exports = mozlog;

server/portal_server.js

@@ -11,10 +11,11 @@ const bytes = require('bytes');
 const conf = require('./config.js');
 const storage = require('./storage.js');
 
-let notLocalHost =
+let notLocalHost = conf.notLocalHost;
-  conf.env === 'production' &&
+
-  conf.s3_bucket !== 'localhost' &&
+const mozlog = require('./log.js');
-  conf.bitly_key !== 'localhost';
+
+let log = mozlog('portal.server');
 
 const app = express();
 
@@ -30,6 +31,13 @@ app.get('/', (req, res) => {
   res.render('index');
 });
 
+app.get('/exists/:id', (req, res) => {
+  let id = req.params.id;
+  storage.exists(id).then(doesExist => {
+    res.sendStatus(doesExist ? 200 : 404);
+  });
+});
+
 app.get('/download/:id', (req, res) => {
   let id = req.params.id;
   storage.filename(id).then(filename => {
@@ -68,7 +76,7 @@ app.get('/assets/download/:id', (req, res) => {
         file_stream.on(notLocalHost ? 'finish' : 'close', () => {
           storage.forceDelete(id).then(err => {
             if (!err) {
-              console.log('Deleted.');
+              log.info('Deleted:', id);
             }
           });
         });
@@ -99,7 +107,7 @@ app.post('/delete/:id', (req, res) => {
     .delete(id, delete_token)
     .then(err => {
       if (!err) {
-        console.log('Deleted.');
+        log.info('Deleted:', id);
       }
     })
     .catch(err => res.sendStatus(404));
@@ -113,8 +121,9 @@ app.post('/upload/:id', (req, res, next) => {
 
   req.pipe(req.busboy);
   req.busboy.on('file', (fieldname, file, filename) => {
-    console.log('Uploading: ' + filename);
+    log.info('Uploading:', req.params.id);
-    const protocol = conf.env === 'development' ? req.protocol : 'https';
+
+    const protocol = notLocalHost ? 'https' : req.protocol;
     let url = `${protocol}://${req.get('host')}/download/${req.params.id}/`;
 
     storage.set(req.params.id, file, filename, url).then(linkAndID => {
@@ -124,7 +133,7 @@ app.post('/upload/:id', (req, res, next) => {
 });
 
 let server = app.listen(conf.listen_port, () => {
-  console.log(`Portal app listening on port ${conf.listen_port}!`);
+  log.info('startServer:', `Portal app listening on port ${conf.listen_port}!`);
 });
 
 let validateID = route_id => {

server/storage.js

@@ -7,23 +7,25 @@ const path = require('path');
 const fetch = require('node-fetch');
 const crypto = require('crypto');
 
+let notLocalHost = conf.notLocalHost;
+
+const mozlog = require('./log.js');
+
+let log = mozlog('portal.storage');
+
 const redis = require('redis');
 const redis_client = redis.createClient({
   host: conf.redis_host
 });
 
 redis_client.on('error', err => {
-  console.log(err);
+  log.info('Redis: ', err);
 });
 
-let notLocalhost =
+if (notLocalHost) {
-  conf.env === 'production' &&
-  conf.s3_bucket !== 'localhost' &&
-  conf.bitly_key !== 'localhost';
-
-if (notLocalhost) {
   module.exports = {
     filename: filename,
+    exists: exists,
     length: awsLength,
     get: awsGet,
     set: awsSet,
@@ -33,6 +35,7 @@ if (notLocalhost) {
 } else {
   module.exports = {
     filename: filename,
+    exists: exists,
     length: localLength,
     get: localGet,
     set: localSet,
@@ -53,6 +56,14 @@ function filename(id) {
   });
 }
 
+function exists(id) {
+  return new Promise((resolve, reject) => {
+    redis_client.exists(id, (rediserr, reply) => {
+      resolve(reply === 1);
+    });
+  });
+}
+
 function localLength(id) {
   return new Promise((resolve, reject) => {
     try {
@@ -76,7 +87,7 @@ function localSet(id, file, filename, url) {
 
       redis_client.hmset([id, 'filename', filename, 'delete', uuid]);
       redis_client.expire(id, 86400000);
-      console.log('Upload Finished of ' + filename);
+      log.info('localSet:', 'Upload Finished of ' + id);
       resolve({
         uuid: uuid,
         url: url
@@ -142,7 +153,7 @@ function awsSet(id, file, filename, url) {
   return new Promise((resolve, reject) => {
     s3.upload(params, function(err, data) {
       if (err) {
-        console.log(err, err.stack); // an error occurred
+        log.info('awsUploadError:', err.stack); // an error occurred
         reject();
       } else {
         let uuid = crypto.randomBytes(10).toString('hex');
@@ -150,7 +161,7 @@ function awsSet(id, file, filename, url) {
         redis_client.hmset([id, 'filename', filename, 'delete', uuid]);
 
         redis_client.expire(id, 86400000);
-        console.log('Upload Finished of ' + filename);
+        log.info('awsUploadFinish', 'Upload Finished of ' + filename);
         if (conf.bitly_key) {
           fetch(
             'https://api-ssl.bitly.com/v3/shorten?access_token=' +

views/download.handlebars

@@ -2,7 +2,7 @@
 <html>
 <head>
   <title>Download your file</title>
-  <script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
+  <script src="/webcrypto-shim.js"></script>
   <script src="/bundle.js"></script>
   <link rel="stylesheet" href="https://code.cdn.mozilla.net/fonts/fira.css">
   <link rel="stylesheet" type="text/css" href="/main.css" />

views/index.handlebars

@@ -2,10 +2,10 @@
 <html>
 <head>
   <title>Firefox Fileshare</title>
-  <script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
+  <script src="/webcrypto-shim.js"></script>
-  <script src="./bundle.js"></script>
+  <script src="/bundle.js"></script>
   <link rel="stylesheet" href="https://code.cdn.mozilla.net/fonts/fira.css">
-  <link rel="stylesheet" type="text/css" href="./main.css" />
+  <link rel="stylesheet" type="text/css" href="/main.css" />
 </head>
 <body>