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improving error handling

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This commit is contained in:
El RIDO 2018-10-20 11:40:37 +02:00
parent 100d955e1a
commit 35045bb69a
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GPG key ID: 0F5C940A6BD81F92
3 changed files with 70 additions and 56 deletions
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122
js/privatebin.js
View file

@ -3990,12 +3990,12 @@ jQuery.PrivateBin = (function($, sjcl, RawDeflate) {
Alert.hideLoading();
TopNav.showViewButtons();
// show error message
// …show error message…
Alert.showError(
Uploader.parseUploadError(status, data, 'post comment')
);
// reset error handler
// …and reset error handler
Alert.setCustomHandler(null);
});
@ -4009,22 +4009,19 @@ jQuery.PrivateBin = (function($, sjcl, RawDeflate) {
Uploader.setUnencryptedData('parentid', parentid);
}
// encrypt data
try {
// start promisesat the same time and wait thereafter
let settingData = [];
settingData.push(Uploader.setData('data', plainText));
if (nickname.length > 0) {
settingData(Uploader.setData('nickname', nickname));
}
await Promise.all(settingData);
} catch (e) {
Alert.showError(e);
// start promises to encrypt data…
let dataPromises = [];
dataPromises.push(Uploader.setData('data', plainText));
if (nickname.length > 0) {
dataPromises.push(Uploader.setData('nickname', nickname));
}
Uploader.run();
// …and upload when they are all done
Promise.all(dataPromises).then(() => {
Uploader.run();
}).catch((e) => {
Alert.showError(e);
});
};
/**
@ -4194,7 +4191,7 @@ jQuery.PrivateBin = (function($, sjcl, RawDeflate) {
PasteViewer.run();
}
}).catch((err) => {
throw 'failed to decipher paste text: ' + err;
displayDecryptionError('failed to decipher paste text: ' + err);
});
}
@ -4214,10 +4211,10 @@ jQuery.PrivateBin = (function($, sjcl, RawDeflate) {
let attachmentPromise = decryptOrPromptPassword(key, password, paste.attachment);
let attachmentNamePromise = decryptOrPromptPassword(key, password, paste.attachmentname);
attachmentPromise.catch((err) => {
throw 'failed to decipher attachment: ' + err;
displayDecryptionError('failed to decipher attachment: ' + err);
})
attachmentNamePromise.catch((err) => {
throw 'failed to decipher attachment name: ' + err;
displayDecryptionError('failed to decipher attachment name: ' + err);
})
Promise.all([attachmentPromise, attachmentNamePromise]).then((results) => {
if (!results.some((result) => {
@ -4247,12 +4244,15 @@ jQuery.PrivateBin = (function($, sjcl, RawDeflate) {
let commentDecryptionPromises = [];
// iterate over comments
for (var i = 0; i < paste.comments.length; ++i) {
commentDecryptionPromises.append(
commentDecryptionPromises.push(
CryptTool.decipher(key, password, paste.comments[i].data)
);
}
Promise.all(commentDecryptionPromises).then((plaintexts) => {
for (var i = 0; i < paste.comments.length; ++i) {
if (plaintexts[i] === false) {
continue;
}
var comment = paste.comments[i];
DiscussionViewer.addComment(
comment,
@ -4264,6 +4264,27 @@ jQuery.PrivateBin = (function($, sjcl, RawDeflate) {
});
}
/**
* displays and logs decryption errors
*
* @name PasteDecrypter.displayDecryptionError
* @private
* @function
* @param {string} message
*/
function displayDecryptionError(message)
{
Alert.hideLoading();
// log detailed error, but display generic translation
console.error(message);
Alert.showError('Could not decrypt data. Did you enter a wrong password? Retry with the button at the top.');
// reset password, so it can be re-entered
Prompt.reset();
TopNav.showRetryButton();
}
/**
* show decrypted text in the display area, including discussion (if open)
*
@ -4282,50 +4303,43 @@ jQuery.PrivateBin = (function($, sjcl, RawDeflate) {
return;
}
var key = Model.getPasteKey(),
password = Prompt.getPassword();
let key = Model.getPasteKey(),
password = Prompt.getPassword(),
decrytionPromises = [];
// try to decrypt the paste
try {
// decrypt attachments
if (paste.attachment && AttachmentViewer.hasAttachmentData()) {
// try to decrypt paste and if it fails (because the password is
// missing) return to let JS continue and wait for user
TopNav.setRetryCallback(function () {
TopNav.hideRetryButton();
me.run(paste);
});
// decrypt attachments
if (paste.attachment && AttachmentViewer.hasAttachmentData()) {
// try to decrypt paste and if it fails (because the password is
// missing) return to let JS continue and wait for user
decrytionPromises.push(
decryptAttachment(paste, key, password).then((attachementIsDecrypted) => {
if (attachementIsDecrypted) {
// ignore empty paste, as this is allowed when pasting attachments
decryptPaste(paste, key, password, true);
return decryptPaste(paste, key, password, true);
}
});
} else {
decryptPaste(paste, key, password)
}
})
);
} else {
decrytionPromises.push(decryptPaste(paste, key, password))
}
// shows the remaining time (until) deletion
PasteStatus.showRemainingTime(paste.meta);
// shows the remaining time (until) deletion
PasteStatus.showRemainingTime(paste.meta);
// if the discussion is opened on this paste, display it
if (paste.meta.opendiscussion) {
decryptComments(paste, key, password);
}
// if the discussion is opened on this paste, display it
if (paste.meta.opendiscussion) {
decrytionPromises(decryptComments(paste, key, password));
}
Promise.all(decrytionPromises).then(() => {
Alert.hideLoading();
TopNav.showViewButtons();
} catch(err) {
Alert.hideLoading();
// log and show error
console.error(err);
Alert.showError('Could not decrypt data. Did you enter a wrong password? Retry with the button at the top.');
// reset password, so it can be re-entered and sow retry button
Prompt.reset();
TopNav.setRetryCallback(function () {
TopNav.hideRetryButton();
me.run(paste);
});
TopNav.showRetryButton();
}
});
};
/**

2
tpl/bootstrap.php
View file

@ -71,7 +71,7 @@ if ($MARKDOWN):
endif;
?>
<script type="text/javascript" data-cfasync="false" src="js/purify-1.0.7.js" integrity="sha512-VnKJHLosO8z2ojNvWk9BEKYqnhZyWK9rM90FgZUUEp/PRnUqR5OLLKE0a3BkVmn7YgB7LXRrjHgFHQYKd6DAIA==" crossorigin="anonymous"></script>
<script type="text/javascript" data-cfasync="false" src="js/privatebin.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-LONouflL+fHKsWtBahP1b1P0ZubtRPpNl8bh0VFrlbbux7N3JOgK28iWU7tVcB5daxHhgOHAFqagn2369a7gFg==" crossorigin="anonymous"></script>
<script type="text/javascript" data-cfasync="false" src="js/privatebin.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-QoyJMD+9as5QQUHm4/mdiFvqHA5VvFqo+N5pn1xNFA6t5bpxS8dI1HwkFbgTQjp/cJrGqTXQ6tDDAiUixiGXNQ==" crossorigin="anonymous"></script>
<!--[if lt IE 10]>
<style type="text/css">body {padding-left:60px;padding-right:60px;} #ienotice {display:block;} #oldienotice {display:block;}</style>
<![endif]-->

2
tpl/page.php
View file

@ -49,7 +49,7 @@ if ($MARKDOWN):
endif;
?>
<script type="text/javascript" data-cfasync="false" src="js/purify-1.0.7.js" integrity="sha512-VnKJHLosO8z2ojNvWk9BEKYqnhZyWK9rM90FgZUUEp/PRnUqR5OLLKE0a3BkVmn7YgB7LXRrjHgFHQYKd6DAIA==" crossorigin="anonymous"></script>
<script type="text/javascript" data-cfasync="false" src="js/privatebin.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-LONouflL+fHKsWtBahP1b1P0ZubtRPpNl8bh0VFrlbbux7N3JOgK28iWU7tVcB5daxHhgOHAFqagn2369a7gFg==" crossorigin="anonymous"></script>
<script type="text/javascript" data-cfasync="false" src="js/privatebin.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-QoyJMD+9as5QQUHm4/mdiFvqHA5VvFqo+N5pn1xNFA6t5bpxS8dI1HwkFbgTQjp/cJrGqTXQ6tDDAiUixiGXNQ==" crossorigin="anonymous"></script>
<!--[if lt IE 10]>
<style type="text/css">body {padding-left:60px;padding-right:60px;} #ienotice {display:block;} #oldienotice {display:block;}</style>
<![endif]-->