public static async Task <HttpResponseMessage> Run(
[HttpTrigger(AuthorizationLevel.Anonymous, "get", "post", Route = "UrlRedirect/{shortUrl}")] HttpRequestMessage req,
string shortUrl,
ExecutionContext context,
ILogger log)
{
log.LogInformation($"C# HTTP trigger function processed for Url: {shortUrl}");
string redirectUrl = "https://costv.guide";
if (!string.IsNullOrWhiteSpace(shortUrl))
{
var config = new ConfigurationBuilder()
.SetBasePath(context.FunctionAppDirectory)
.AddJsonFile("local.settings.json", optional: true, reloadOnChange: true)
.AddEnvironmentVariables()
.Build();
redirectUrl = config["defaultRedirectUrl"];
StorageTableHelper stgHelper = new StorageTableHelper(config["UlsDataStorage"]);
var tempUrl = new ShortUrlEntity(string.Empty, shortUrl);
var newUrl = await stgHelper.GetShortUrlEntity(tempUrl);
if (newUrl != null)
{
log.LogInformation($"Found it: {newUrl.Url}");
newUrl.Clicks++;
stgHelper.SaveClickStatsEntity(new ClickStatsEntity(newUrl.RowKey));
await stgHelper.SaveShortUrlEntity(newUrl);
redirectUrl = WebUtility.UrlDecode(newUrl.Url);
}
}
else
{
log.LogInformation("Bad Link, resorting to fallback.");
}
var currentQuery = HttpUtility.ParseQueryString(req.RequestUri.Query);
var redirectUriBuilder = new UriBuilder(redirectUrl);
var redirectQuery = HttpUtility.ParseQueryString(redirectUriBuilder.Query);
foreach (var key in currentQuery.AllKeys)
{
redirectQuery[key] = currentQuery[key];
redirectUriBuilder.Query = redirectQuery.ToString();
}
var response = req.CreateResponse(HttpStatusCode.Redirect);
response.Headers.Add("Location", redirectUriBuilder.ToString());
return(response);
}
public static async Task <HttpResponseMessage> Run(
[HttpTrigger(AuthorizationLevel.Anonymous, "get", "post", Route = "UrlRedirect/{shortUrl}")] HttpRequestMessage req,
string shortUrl,
ExecutionContext context,
ILogger log)
{
log.LogInformation($"C# HTTP trigger function processed for Url: {shortUrl}");
string redirectUrl = "https://azure.com";
if (!String.IsNullOrWhiteSpace(shortUrl))
{
var config = new ConfigurationBuilder()
.SetBasePath(context.FunctionAppDirectory)
.AddJsonFile("local.settings.json", optional: true, reloadOnChange: true)
.AddEnvironmentVariables()
.Build();
redirectUrl = config["defaultRedirectUrl"];
StorageTableHelper stgHelper = new StorageTableHelper(config["UlsDataStorage"]);
var tempUrl = new ShortUrlEntity(string.Empty, shortUrl);
var newUrl = await stgHelper.GetShortUrlEntity(tempUrl);
if (newUrl != null)
{
log.LogInformation($"Found it: {newUrl.Url}");
newUrl.Clicks++;
var host = req.RequestUri.GetLeftPart(UriPartial.Authority);
var shortUrlAddress = Utility.GetShortUrl(host, shortUrl);
await RunWebhooks(stgHelper, new ClickStatsResponse(newUrl.Title, shortUrlAddress, newUrl.Url, newUrl.Clicks));
stgHelper.SaveClickStatsEntity(new ClickStatsEntity(newUrl.RowKey));
await stgHelper.SaveShortUrlEntity(newUrl);
redirectUrl = newUrl.Url;
}
}
else
{
log.LogInformation("Bad Link, resorting to fallback.");
}
var res = req.CreateResponse(HttpStatusCode.Redirect);
res.Headers.Add("Location", redirectUrl);
return(res);
}
