Comments (5)
d-ivashchuk
commented on June 22, 2024
1
How I solved this issue: just grabbed the body of the page with axios and with regex found the normal url which then can be processed by ogs. This is a good example of middleware function.
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hamedb89
commented on June 22, 2024
1
@d-ivashchuk Great idea Dimitri, I will try it out as soon as I can get to it. Great idea though thanks!
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d-ivashchuk
commented on June 22, 2024
Experiencing the same issue! Probably because as already pointed out it’s a mirrored link and not the final link.
@hamedb89 Were you able to solve it?
I would appreciate clarification for this one, as I saw that it should work with redirects, however medium is for sure not working!
Thanks a lot🙌🏼
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jshemas
commented on June 22, 2024
Hello,
I started digging into this. openGraphScraper uses the request library to make http requests and one of the options that I use is followAllRedirects, which should follow all of the redirects.
request docs: https://github.com/request/request#requestoptions-callback
Unfortunately this is the page I get when using request:
<html>
<body>
<script type="text/javascript">
function unescapeHtml(escaped_str) {
var div = document.createElement('div');
div.innerHTML = escaped_str;
var child = div.childNodes[0];
return child ? child.nodeValue : null;
}
function validateProtocol(url) {
var parser = document.createElement('a');
parser.href = url;
var protocol = parser.protocol.toLowerCase();
if ([ 'javascript:', 'vbscript:', 'data:', 'ftp:',':' , ' '].indexOf(protocol) < 0) {
return url;
}
return null;
}
function validate(url) {
var unescaped_value = unescapeHtml(url);
if (unescaped_value && validateProtocol(unescaped_value)) {
return unescaped_value;
}
return '/';
} var hasURI = false;
var intervalExecuted = false;
window.onload = function() {
document.getElementById("l").src = validate("null/p/17dc61071ed5?link_click_id=656998272080551846");
window.setTimeout(function() {
if (!hasURI) {
window.top.location = validate("https://medium.com/@racheltho/techs-long-hours-are-discriminatory-counter-productive-17dc61071ed5?source=linkShare-5037b396cb47-1550350532&_branch_match_id=656998272080551846");
}
intervalExecuted = true;
}, 300);
};
window.onblur = function() {
hasURI = true;
};
window.onfocus = function() {
if (hasURI) {
window.top.location = validate("https://medium.com/@racheltho/techs-long-hours-are-discriminatory-counter-productive-17dc61071ed5?source=linkShare-5037b396cb47-1550350532&_branch_match_id=656998272080551846");
} else if(intervalExecuted) {
window.top.location = validate("https://medium.com/@racheltho/techs-long-hours-are-discriminatory-counter-productive-17dc61071ed5?source=linkShare-5037b396cb47-1550350532&_branch_match_id=656998272080551846");
}
}
</script>
<iframe id="l" width="1" height="1" style="visibility:hidden"></iframe>
</body>
</html>
Request can't run javascript, so there is no way of getting to the final page. To get this to work I would have to rewrite openGraphScraper to use headless chrome or something like that.
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jshemas
commented on June 22, 2024
Yes, using the html option in ogs is great way to solve this problem. Closing the issue.
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