kopia lustrzana https://github.com/robinmoisson/staticrypt
367 wiersze
11 KiB
HTML
367 wiersze
11 KiB
HTML
<!doctype html>
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<html class="staticrypt-html">
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<head>
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<meta charset="utf-8">
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<title>{title}</title>
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<!-- do not cache this page -->
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<meta http-equiv="cache-control" content="max-age=0"/>
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<meta http-equiv="cache-control" content="no-cache"/>
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<meta http-equiv="expires" content="0"/>
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<meta http-equiv="expires" content="Tue, 01 Jan 1980 1:00:00 GMT"/>
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<meta http-equiv="pragma" content="no-cache"/>
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<style>
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.staticrypt-hr {
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margin-top: 20px;
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margin-bottom: 20px;
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border: 0;
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border-top: 1px solid #eee;
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}
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.staticrypt-page {
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width: 360px;
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padding: 8% 0 0;
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margin: auto;
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box-sizing: border-box;
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}
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.staticrypt-form {
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position: relative;
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z-index: 1;
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background: #FFFFFF;
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max-width: 360px;
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margin: 0 auto 100px;
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padding: 45px;
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text-align: center;
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box-shadow: 0 0 20px 0 rgba(0, 0, 0, 0.2), 0 5px 5px 0 rgba(0, 0, 0, 0.24);
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}
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.staticrypt-form input[type="password"] {
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outline: 0;
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background: #f2f2f2;
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width: 100%;
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border: 0;
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margin: 0 0 15px;
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padding: 15px;
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box-sizing: border-box;
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font-size: 14px;
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}
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.staticrypt-form .staticrypt-decrypt-button {
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text-transform: uppercase;
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outline: 0;
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background: #4CAF50;
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width: 100%;
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border: 0;
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padding: 15px;
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color: #FFFFFF;
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font-size: 14px;
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cursor: pointer;
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}
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.staticrypt-form .staticrypt-decrypt-button:hover, .staticrypt-form .staticrypt-decrypt-button:active, .staticrypt-form .staticrypt-decrypt-button:focus {
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background: #43A047;
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}
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.staticrypt-html {
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height: 100%;
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}
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.staticrypt-body {
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height: 100%;
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margin: 0;
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}
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.staticrypt-content {
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height: 100%;
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margin-bottom: 1em;
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background: #76b852; /* fallback for old browsers */
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background: -webkit-linear-gradient(right, #76b852, #8DC26F);
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background: -moz-linear-gradient(right, #76b852, #8DC26F);
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background: -o-linear-gradient(right, #76b852, #8DC26F);
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background: linear-gradient(to left, #76b852, #8DC26F);
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font-family: "Arial", sans-serif;
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-webkit-font-smoothing: antialiased;
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-moz-osx-font-smoothing: grayscale;
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}
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.staticrypt-instructions {
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margin-top: -1em;
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margin-bottom: 1em;
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}
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.staticrypt-title {
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font-size: 1.5em;
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}
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.staticrypt-footer {
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position: fixed;
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height: 20px;
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font-size: 16px;
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padding: 2px;
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bottom: 0;
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left: 0;
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right: 0;
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margin-bottom: 0;
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}
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.staticrypt-footer p {
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margin: 2px;
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text-align: center;
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float: right;
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}
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.staticrypt-footer a {
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text-decoration: none;
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}
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label.staticrypt-remember {
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display: flex;
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align-items: center;
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margin-bottom: 1em;
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}
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.staticrypt-remember input[type=checkbox] {
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transform: scale(1.5);
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margin-right: 1em;
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}
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.hidden {
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display: none !important;
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}
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.staticrypt-spinner-container {
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height: 100%;
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display: flex;
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align-items: center;
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justify-content: center;
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}
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.staticrypt-spinner {
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display: inline-block;
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width: 2rem;
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height: 2rem;
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vertical-align: text-bottom;
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border: 0.25em solid gray;
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border-right-color: transparent;
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border-radius: 50%;
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-webkit-animation: spinner-border .75s linear infinite;
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animation: spinner-border .75s linear infinite;
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animation-duration: 0.75s;
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animation-timing-function: linear;
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animation-delay: 0s;
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animation-iteration-count: infinite;
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animation-direction: normal;
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animation-fill-mode: none;
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animation-play-state: running;
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animation-name: spinner-border;
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}
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@keyframes spinner-border {
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100% {
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transform: rotate(360deg);
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}
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}
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</style>
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</head>
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<body class="staticrypt-body">
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<div id="staticrypt_loading" class="staticrypt-spinner-container">
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<div class="staticrypt-spinner"></div>
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</div>
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<div id="staticrypt_content" class="staticrypt-content hidden">
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<div class="staticrypt-page">
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<div class="staticrypt-form">
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<div class="staticrypt-instructions">
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<p class="staticrypt-title">{title}</p>
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<p>{instructions}</p>
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</div>
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<hr class="staticrypt-hr">
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<form id="staticrypt-form" action="#" method="post">
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<input id="staticrypt-password"
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type="password"
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name="password"
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placeholder="{passphrase_placeholder}"
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autofocus/>
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<label id="staticrypt-remember-label" class="staticrypt-remember hidden">
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<input id="staticrypt-remember"
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type="checkbox"
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name="remember"/>
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{remember_me}
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</label>
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<input type="submit" class="staticrypt-decrypt-button" value="{decrypt_button}"/>
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</form>
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</div>
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</div>
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<footer class="staticrypt-footer">
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<p class="pull-right">Created with <a href="https://robinmoisson.github.io/staticrypt">StatiCrypt</a></p>
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</footer>
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</div>
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{crypto_tag}
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<script>
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var cryptoEngine = {js_crypto_engine}
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var codec = {js_codec}
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var decode = codec.init(cryptoEngine).decode;
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// variables to be filled when generating the file
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var encryptedMsg = '{encrypted}',
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salt = '{salt}',
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labelError = '{label_error}',
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isRememberEnabled = {is_remember_enabled},
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rememberDurationInDays = {remember_duration_in_days}; // 0 means forever
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// constants
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var rememberPassphraseKey = 'staticrypt_passphrase',
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rememberExpirationKey = 'staticrypt_expiration';
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/**
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* Decrypt our encrypted page, replace the whole HTML.
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*
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* @param {string} hashedPassphrase
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* @returns {boolean}
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*/
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function decryptAndReplaceHtml(hashedPassphrase) {
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var result = decode(encryptedMsg, hashedPassphrase);
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if (!result.success) {
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return false;
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}
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var plainHTML = result.decoded;
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document.write(plainHTML);
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document.close();
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return true;
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}
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/**
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* Clear localstorage from staticrypt related values
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*/
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function clearLocalStorage() {
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localStorage.removeItem(rememberPassphraseKey);
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localStorage.removeItem(rememberExpirationKey);
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}
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/**
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* To be called on load: check if we want to try to decrypt and replace the HTML with the decrypted content, and
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* try to do it if needed.
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*
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* @returns {boolean} true if we derypted and replaced the whole page, false otherwise
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*/
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function decryptOnLoadFromRememberMe() {
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if (!isRememberEnabled) {
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return false;
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}
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// show the remember me checkbox
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document.getElementById('staticrypt-remember-label').classList.remove('hidden');
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// if we are login out, clear the storage and terminate
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var queryParams = new URLSearchParams(window.location.search);
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if (queryParams.has("staticrypt_logout")) {
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clearLocalStorage();
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return false;
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}
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// if there is expiration configured, check if we're not beyond the expiration
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if (rememberDurationInDays && rememberDurationInDays > 0) {
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var expiration = localStorage.getItem(rememberExpirationKey),
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isExpired = expiration && new Date().getTime() > parseInt(expiration);
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if (isExpired) {
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clearLocalStorage();
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return false;
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}
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}
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var hashedPassphrase = localStorage.getItem(rememberPassphraseKey);
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if (hashedPassphrase) {
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// try to decrypt
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var isDecryptionSuccessful = decryptAndReplaceHtml(hashedPassphrase);
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// if the decryption is unsuccessful the password might be wrong - silently clear the saved data and let
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// the user fill the password form again
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if (!isDecryptionSuccessful) {
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clearLocalStorage();
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return false;
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}
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return true;
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}
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return false;
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}
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function decryptOnLoadFromQueryParam() {
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var queryParams = new URLSearchParams(window.location.search);
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var hashedPassphrase = queryParams.get("staticrypt_pwd");
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if (hashedPassphrase) {
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return decryptAndReplaceHtml(hashedPassphrase);
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}
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return false;
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}
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// try to automatically decrypt on load if there is a saved password
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window.onload = function () {
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var hasDecrypted = decryptOnLoadFromQueryParam();
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if (!hasDecrypted) {
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hasDecrypted = decryptOnLoadFromRememberMe();
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}
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// if we didn't decrypt anything, show the password prompt. Otherwise the content has already been replaced, no
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// need to do anything
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if (!hasDecrypted) {
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document.getElementById("staticrypt_loading").classList.add("hidden");
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document.getElementById("staticrypt_content").classList.remove("hidden");
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document.getElementById("staticrypt-password").focus();
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}
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}
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// handle password form submission
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document.getElementById('staticrypt-form').addEventListener('submit', function (e) {
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e.preventDefault();
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var passphrase = document.getElementById('staticrypt-password').value,
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shouldRememberPassphrase = document.getElementById('staticrypt-remember').checked;
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// decrypt and replace the whole page
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var hashedPassphrase = cryptoEngine.hashPassphrase(passphrase, salt);
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var isDecryptionSuccessful = decryptAndReplaceHtml(hashedPassphrase);
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if (isDecryptionSuccessful) {
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// remember the hashedPassphrase and set its expiration if necessary
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if (isRememberEnabled && shouldRememberPassphrase) {
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window.localStorage.setItem(rememberPassphraseKey, hashedPassphrase);
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// set the expiration if the duration isn't 0 (meaning no expiration)
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if (rememberDurationInDays > 0) {
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window.localStorage.setItem(
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rememberExpirationKey,
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(new Date().getTime() + rememberDurationInDays * 24 * 60 * 60 * 1000).toString()
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);
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}
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}
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} else {
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alert(labelError);
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}
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});
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</script>
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</body>
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</html>
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