protected override async Task HandleReport(StacktraceReport report)
{
foreach (var stackFrame in report.Stack.Where(x => !string.IsNullOrEmpty(x.FileName)))
{
SourceMap sourceMap = null;
var url = stackFrame.FileName;
try
{
var uri = new Uri(url);
if (!uri.Scheme.Equals("http", StringComparison.InvariantCultureIgnoreCase) && !uri.Scheme.Equals("https", StringComparison.InvariantCultureIgnoreCase))
{
continue;
}
if (!setings.IsAllowedDomain(uri.Host))
{
log.Error($"{url} doesn't contain allowed domain");
continue;
}
if (!setings.IsAllowedDomainForSourceMap(uri.Host))
{
log.Debug($"{url} domain doesn't support sourcemaps");
continue;
}
if (!cache.Get(url, out sourceMap))
{
sourceMap = await GetMapFromUrl(url);
cache.Set(url, sourceMap, expirationTimeSpan);
}
}
catch (Exception e)
{
log.Error($"failed to get sourcemap from url: {url}", e);
}
var mappingEntry = sourceMap?.GetMappingEntryForGeneratedSourcePosition(
new SourcePosition {
ZeroBasedLineNumber = stackFrame.LineNumber - 1, ZeroBasedColumnNumber = stackFrame.ColumnNumber - 1
});
if (mappingEntry != null)
{
stackFrame.LineNumber = mappingEntry.OriginalSourcePosition.ZeroBasedLineNumber + 1;
stackFrame.ColumnNumber = mappingEntry.OriginalSourcePosition.ZeroBasedColumnNumber + 1;
stackFrame.FileName = mappingEntry.OriginalFileName;
stackFrame.FunctionName = mappingEntry.OriginalName;
log.Debug("report before patching:\n" + report.ToPrettyJson());
}
}
}
public Task Invoke(HttpContext context)
{
var origin = context.Request.Headers["Origin"];
if (!setings.IsAllowedDomain(origin))
{
log.ForContext("domain", origin).Info("domain not in whitelist");
}
else
{
context.Response.Headers["Access-Control-Allow-Origin"] = origin;
context.Response.Headers["Access-Control-Allow-Methods"] = "GET, POST, OPTIONS";
context.Response.Headers["Access-Control-Allow-Headers"] = "Content-Type";
}
return(next(context));
}