Add legal document shenanigans

Closes #147

3 files changed, 24 insertions, 5 deletions

diff --git a/src/Enmarcha.Backend/Program.cs b/src/Enmarcha.Backend/Program.cs
index 6eddfc8..587da78 100644
--- a/src/Enmarcha.Backend/Program.cs
+++ b/src/Enmarcha.Backend/Program.cs
@@ -46,7 +46,28 @@ builder.Services.AddOpenTelemetry()
         tracing
             .SetResourceBuilder(ResourceBuilder.CreateDefault().AddService("Enmarcha.Backend"))
             .AddSource(Telemetry.Source.Name)
-            .AddAspNetCoreInstrumentation()
+            .AddAspNetCoreInstrumentation(options =>
+            {
+                options.EnrichWithHttpRequest = (activity, request) =>
+                {
+                    var ip = request.HttpContext.Connection.RemoteIpAddress;
+                    if (ip == null) return;
+                    string anonymised;
+                    if (ip.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork)
+                    {
+                        var bytes = ip.GetAddressBytes();
+                        bytes[3] = 0;
+                        anonymised = new System.Net.IPAddress(bytes).ToString();
+                    }
+                    else
+                    {
+                        var bytes = ip.GetAddressBytes();
+                        for (var i = 6; i < 16; i++) bytes[i] = 0;
+                        anonymised = new System.Net.IPAddress(bytes).ToString();
+                    }
+                    activity.SetTag("client.address", anonymised);
+                };
+            })
             .AddHttpClientInstrumentation(options =>
             {
                 options.EnrichWithHttpRequestMessage = (activity, req) =>
diff --git a/src/Enmarcha.Backend/Services/Geocoding/GeoapifyGeocodingService.cs b/src/Enmarcha.Backend/Services/Geocoding/GeoapifyGeocodingService.cs
index 86386e8..ce86c49 100644
--- a/src/Enmarcha.Backend/Services/Geocoding/GeoapifyGeocodingService.cs
+++ b/src/Enmarcha.Backend/Services/Geocoding/GeoapifyGeocodingService.cs
@@ -26,7 +26,7 @@ public class GeoapifyGeocodingService : IGeocodingService
         // Geoapify requires a User-Agent
         if (!_httpClient.DefaultRequestHeaders.Contains("User-Agent"))
         {
-            _httpClient.DefaultRequestHeaders.Add("User-Agent", "Mozilla/5.0 (Compatible; Enmarcha/0.1; https://enmarcha.app; ariel@costas.dev)");
+            _httpClient.DefaultRequestHeaders.Add("User-Agent", "Mozilla/5.0 (Compatible; Enmarcha/0.1; https://enmarcha.app; contacto@enmarcha.app)");
         }
     }
 
@@ -76,8 +76,6 @@ public class GeoapifyGeocodingService : IGeocodingService
     public async Task<PlannerSearchResult?> GetReverseGeocodeAsync(double lat, double lon)
     {
         using var activity = Telemetry.Source.StartActivity("GeoapifyReverseGeocode");
-        activity?.SetTag("lat", lat);
-        activity?.SetTag("lon", lon);
 
         var cacheKey = $"nominatim_reverse_{lat:F5}_{lon:F5}";
         var cacheHit = _cache.TryGetValue(cacheKey, out PlannerSearchResult? cachedResult);
diff --git a/src/Enmarcha.Backend/Services/Geocoding/NominatimGeocodingService.cs b/src/Enmarcha.Backend/Services/Geocoding/NominatimGeocodingService.cs
index c38b1e6..b58b5a4 100644
--- a/src/Enmarcha.Backend/Services/Geocoding/NominatimGeocodingService.cs
+++ b/src/Enmarcha.Backend/Services/Geocoding/NominatimGeocodingService.cs
@@ -26,7 +26,7 @@ public class NominatimGeocodingService : IGeocodingService
         // Nominatim requires a User-Agent
         if (!_httpClient.DefaultRequestHeaders.Contains("User-Agent"))
         {
-            _httpClient.DefaultRequestHeaders.Add("User-Agent", "Mozilla/5.0 (Compatible; Enmarcha/0.1; https://enmarcha.app; ariel@costas.dev)");
+            _httpClient.DefaultRequestHeaders.Add("User-Agent", "Mozilla/5.0 (Compatible; Enmarcha/0.1; https://enmarcha.app; contacto@enmarcha.app)");
         }
     }