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Remove streamsPrivate usage

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This was only ever useful for the Opera extension because the API
requires a whitelisted extension ID. Opera ditched PDF.js from their
extension gallery, so we don't need to keep this in the tree.
This commit is contained in:
Rob Wu 2016-05-09 22:49:47 +02:00
parent 11914277d5
commit fc658a718c
4 changed files with 50 additions and 364 deletions
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122
web/chromecom.js
View file

@ -75,83 +75,59 @@
file = file.replace(/^drive:/i,
'filesystem:' + location.origin + '/external/');
ChromeCom.request('getPDFStream', file, function(response) {
if (response) {
// We will only get a response when the streamsPrivate API is available.
var isFTPFile = /^ftp:/i.test(file);
var streamUrl = response.streamUrl;
if (streamUrl) {
console.log('Found data stream for ' + file);
callback(streamUrl, response.contentLength, file);
if (/^filesystem:/.test(file) && !pdfjsLib.PDFJS.disableWorker) {
// The security origin of filesystem:-URLs are not preserved when the
// URL is passed to a Web worker, (http://crbug.com/362061), so we have
// to create an intermediate blob:-URL as a work-around.
var resolveLocalFileSystemURL = window.resolveLocalFileSystemURL ||
window.webkitResolveLocalFileSystemURL;
resolveLocalFileSystemURL(file, function onResolvedFSURL(fileEntry) {
fileEntry.file(function(fileObject) {
var blobUrl = URL.createObjectURL(fileObject);
callback(blobUrl, fileObject.size);
});
}, function onFileSystemError(error) {
// This should not happen. When it happens, just fall back to the
// usual way of getting the File's data (via the Web worker).
console.warn('Cannot resolve file ' + file + ', ' + error.name + ' ' +
error.message);
callback(file);
});
return;
}
if (/^https?:/.test(file)) {
// Assumption: The file being opened is the file that was requested.
// There is no UI to input a different URL, so this assumption will hold
// for now.
setReferer(file, function() {
callback(file);
});
return;
}
if (/^file?:/.test(file)) {
getEmbedderOrigin(function(origin) {
// If the origin cannot be determined, let Chrome decide whether to
// allow embedding files. Otherwise, only allow local files to be
// embedded from local files or Chrome extensions.
// Even without this check, the file load in frames is still blocked,
// but this may change in the future (https://crbug.com/550151).
if (origin && !/^file:|^chrome-extension:/.test(origin)) {
PDFViewerApplication.error('Blocked ' + origin + ' from loading ' +
file + '. Refused to load a local file in a non-local page ' +
'for security reasons.');
return;
}
if (isFTPFile && !response.extensionSupportsFTP) {
// Stream not found, and it's loaded from FTP.
// When the browser does not support loading ftp resources over
// XMLHttpRequest, just reload the page.
// NOTE: This will not lead to an infinite redirect loop, because
// if the file exists, then the streamsPrivate API will capture the
// stream and send back the response. If the stream does not exist,
// a "Webpage not available" error will be shown (not the PDF Viewer).
location.replace(file);
return;
}
}
if (/^filesystem:/.test(file) && !pdfjsLib.PDFJS.disableWorker) {
// The security origin of filesystem:-URLs are not preserved when the
// URL is passed to a Web worker, (http://crbug.com/362061), so we have
// to create an intermediate blob:-URL as a work-around.
var resolveLocalFileSystemURL = window.resolveLocalFileSystemURL ||
window.webkitResolveLocalFileSystemURL;
resolveLocalFileSystemURL(file, function onResolvedFSURL(fileEntry) {
fileEntry.file(function(fileObject) {
var blobUrl = URL.createObjectURL(fileObject);
callback(blobUrl, fileObject.size);
});
}, function onFileSystemError(error) {
// This should not happen. When it happens, just fall back to the
// usual way of getting the File's data (via the Web worker).
console.warn('Cannot resolve file ' + file + ', ' + error.name + ' ' +
error.message);
callback(file);
});
return;
}
if (/^https?:/.test(file)) {
// Assumption: The file being opened is the file that was requested.
// There is no UI to input a different URL, so this assumption will hold
// for now.
setReferer(file, function() {
callback(file);
});
return;
}
if (/^file?:/.test(file)) {
getEmbedderOrigin(function(origin) {
// If the origin cannot be determined, let Chrome decide whether to
// allow embedding files. Otherwise, only allow local files to be
// embedded from local files or Chrome extensions.
// Even without this check, the file load in frames is still blocked,
// but this may change in the future (https://crbug.com/550151).
if (origin && !/^file:|^chrome-extension:/.test(origin)) {
PDFViewerApplication.error('Blocked ' + origin + ' from loading ' +
file + '. Refused to load a local file in a non-local page ' +
'for security reasons.');
return;
isAllowedFileSchemeAccess(function(isAllowedAccess) {
if (isAllowedAccess) {
callback(file);
} else {
requestAccessToLocalFile(file);
}
isAllowedFileSchemeAccess(function(isAllowedAccess) {
if (isAllowedAccess) {
callback(file);
} else {
requestAccessToLocalFile(file);
}
});
});
return;
}
callback(file);
});
});
return;
}
callback(file);
};
function getEmbedderOrigin(callback) {