lix-project/lix
20
57
Fork 31
Code Issues 347 Code Review (Gerrit) Projects 3 Releases Wiki Activity

libfetchers: avoid api.github.com ratelimit if no github token is set

Browse source 
If we don't have any github token, we won't be able to fetch private
repos, but we are also more likely to run into API limits since
we don't have a token. To mitigate this only ever use the github api
if we actually have a token.
This commit is contained in:
Jörg Thalheim 2022-09-12 22:50:18 +02:00
parent 88646eea29
commit d9abce4ad4
1 changed files with 11 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

19
src/libfetchers/github.cc
View file

@ -262,17 +262,20 @@ struct GitHubInputScheme : GitArchiveInputScheme
DownloadUrl getDownloadUrl(const Input & input) const override
{
// FIXME: use regular /archive URLs instead? api.github.com
// might have stricter rate limits.
auto host = maybeGetStrAttr(input.attrs, "host").value_or("github.com");
auto url = fmt(
host == "github.com"
? "https://api.%s/repos/%s/%s/tarball/%s"
: "https://%s/api/v3/repos/%s/%s/tarball/%s",
host, getStrAttr(input.attrs, "owner"), getStrAttr(input.attrs, "repo"),
Headers headers = makeHeadersWithAuthTokens(host);
// If we have no auth headers then we default to the public archive
// urls so we do not run into rate limits.
const auto urlFmt =
host != "github.com"
? "https://%s/api/v3/repos/%s/%s/tarball/%s"
: headers.empty()
? "https://%s/%s/%s/archive/%s.tar.gz"
: "https://api.%s/repos/%s/%s/tarball/%s";
const auto url = fmt(urlFmt, host, getStrAttr(input.attrs, "owner"), getStrAttr(input.attrs, "repo"),
input.getRev()->to_string(Base16, false));
Headers headers = makeHeadersWithAuthTokens(host);
return DownloadUrl { url, headers };
}