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Transform Web Archive URLs to avoid downloading an HTML page instead of the PDF file

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Moreover, adjust one linked test case that did not conform to the
standard Web Archive URL format and adjust one linked test case because
the link was dead.
This commit is contained in:
Tim van der Meij 2017-09-30 17:14:41 +02:00
parent 3717757b39
commit f73c9b75d9
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3 changed files with 17 additions and 2 deletions
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15
test/downloadutils.js
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@ -22,7 +22,22 @@ var crypto = require('crypto');
var http = require('http');
var https = require('https');
function rewriteWebArchiveUrl(url) {
// Web Archive URLs need to be transformed to add `if_` after the ID.
// Without this, an HTML page containing an iframe with the PDF file
// will be served instead (issue 8920).
var webArchiveRegex =
/(^https?:\/\/web\.archive\.org\/web\/)(\d+)(\/https?:\/\/.+)/g;
var urlParts = webArchiveRegex.exec(url);
if (urlParts) {
return urlParts[1] + (urlParts[2] + 'if_') + urlParts[3];
}
return url;
}
function downloadFile(file, url, callback, redirects) {
url = rewriteWebArchiveUrl(url);
var completed = false;
var protocol = /^https:\/\//.test(url) ? https : http;
protocol.get(url, function (response) {

2
test/pdfs/geothermal.pdf.link
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@ -1 +1 @@
http://web.archive.org/web/20150212141833/http://geothermal.inel.gov/publications/future_of_geothermal_energy.pdf
https://web.archive.org/web/20170930174755/https://www.pdf-archive.com/2017/09/30/future-of-geothermal-energy/future-of-geothermal-energy.pdf

2
test/pdfs/issue8169.pdf.link
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@ -1 +1 @@
http://web.archive.org/save/_embed/http://210.243.166.143/prob1.pdf
https://web.archive.org/web/20170930161657/http://210.243.166.143/prob1.pdf