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depot_query: handle missing user info gracefully

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This patch handles the case where the pubkey or download location for a
queries depot user is missing.
This commit is contained in:
Norman Feske 2018-02-25 14:27:29 +01:00 committed by Christian Helmuth
parent 7ac9a16090
commit 76b82020d4
1 changed files with 22 additions and 13 deletions
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35
repos/gems/src/app/depot_query/main.cc
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@ -298,7 +298,12 @@ struct Depot_query::Main
if (_user_reporter.constructed()) {
_user_reporter->generate([&] (Xml_generator &xml) {
/* query one user only */
bool first = true;
query.for_each_sub_node("user", [&] (Xml_node node) {
if (!first) return;
first = false;
_query_user(node.attribute_value("name", Archive::User()), xml); });
});
}
@ -542,23 +547,27 @@ void Depot_query::Main::_collect_binary_dependencies(Archive::Path const &path,
void Depot_query::Main::_query_user(Archive::User const &user, Xml_generator &xml)
{
Directory user_dir(_root, Directory::Path("depot/", user));
xml.attribute("name", user);
File_content download(_heap, user_dir, "download", File_content::Limit{4*1024});
typedef String<256> Url;
download.for_each_line<Url>([&] (Url const &url) {
xml.node("url", [&] () { xml.append_sanitized(url.string()); }); });
try {
Directory user_dir(_root, Directory::Path("depot/", user));
File_content pubkey(_heap, user_dir, "pubkey", File_content::Limit{8*1024});
xml.node("pubkey", [&] () {
typedef String<80> Line;
pubkey.for_each_line<Line>([&] (Line const &line) {
xml.append_sanitized(line.string());
xml.append("\n");
File_content download(_heap, user_dir, "download", File_content::Limit{4*1024});
typedef String<256> Url;
download.for_each_line<Url>([&] (Url const &url) {
xml.node("url", [&] () { xml.append_sanitized(url.string()); }); });
File_content pubkey(_heap, user_dir, "pubkey", File_content::Limit{8*1024});
xml.node("pubkey", [&] () {
typedef String<80> Line;
pubkey.for_each_line<Line>([&] (Line const &line) {
xml.append_sanitized(line.string());
xml.append("\n");
});
});
});
}
catch (Directory::Nonexistent_file) {
warning("incomplete or missing depot-user info for '", user, "'"); }
}