in processing-pipelines/image-v1/filter/csharp/Startup.cs [34:80]
public void Configure(IApplicationBuilder app, IWebHostEnvironment env, ILogger<Startup> logger)
{
if (env.IsDevelopment())
{
app.UseDeveloperExceptionPage();
}
logger.LogInformation("Service is starting...");
app.UseRouting();
var eventReader = new CloudEventReader(logger);
var configReader = new ConfigReader(logger, CloudEventSource, CloudEventType);
var bucketExpected = configReader.Read("BUCKET", false);
var eventWriter = configReader.ReadEventWriter();
app.UseEndpoints(endpoints =>
{
endpoints.MapPost("/", async context =>
{
var (bucket, name) = await eventReader.ReadCloudStorageData(context);
// This is only needed in Cloud Run (Managed) when the
// events are not filtered by bucket yet.
if (bucketExpected != null && bucket != bucketExpected)
{
logger.LogInformation($"Input bucket '{bucket}' does not match with expected bucket '{bucketExpected}'");
return;
}
var storageUrl = $"gs://{bucket}/{name}";
logger.LogInformation($"Storage url: {storageUrl}");
var safe = await IsPictureSafe(storageUrl);
logger.LogInformation($"Is the picture safe? {safe}");
if (!safe)
{
return;
}
var replyData = new {bucket = bucket, name = name};
await eventWriter.Write(replyData, context);
});
});
}