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CDNs found by themselves, and servers followed through time
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PrivaPub now finds CDNs three ways, best first: the address ranges the
CDNs publish (Cloudflare, Fastly, Amazon CloudFront, Bunny, Gcore,
Imperva), downloaded daily by CdnUpdater and kept in CdnRangeSet; the
CDN's fingerprint in the responses it already gets from a server
(EdgeHintsHandler on the federation client); and the networks that carry
only a CDN. The fixed ASN list is gone; ASNs shared with plain hosting
(AWS, DataPacket) no longer hide a server. A server's Geo records the
CDN, its domain and how it was found, and weekly snapshots now keep the
city and coordinates too.

Servers through time (ServerPlaces): /instances/:host/history lists a
server's weekly snapshots, a CDN-fronted server's geo names the CDN's
domain and where the server was before it (before_cdn), and
/api/privapub/v1/cdns and /cdns/:domain group servers by CDN with week
by week who joined and who left. Owner decisions recorded in ROADMAP.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LsXgEaXee4GCU1hwYgPJXw
This commit is contained in:
thepraandClaude Opus 5.5 committed 2026-10-04 11:33:39 +02:00
1 parent 5d7edc4a4c
commit 436f7da464
26 files changed
+1159 -62
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PrivaPub/Middleware/SocialPubConfigurations.cs
+13 -1
View File
@@ -61,9 +61,11 @@ namespace PrivaPub.Middleware
client.DefaultRequestHeaders.UserAgent.ParseAdd($"PrivaPub/{BuildInfo.Ref} (+{baseAddress}/)");
})
.ConfigurePrimaryHttpMessageHandler(provider =>
SafeHttpHandlerFactory.Create(provider.GetRequiredService<IOptions<FederationOptions>>().Value, provider.GetRequiredService<IConnectedAddresses>()));
SafeHttpHandlerFactory.Create(provider.GetRequiredService<IOptions<FederationOptions>>().Value, provider.GetRequiredService<IConnectedAddresses>()))
.AddHttpMessageHandler(provider => new EdgeHintsHandler(provider.GetRequiredService<IEdgeHints>()));
return service
.AddSingleton<IConnectedAddresses, ConnectedAddresses>()
.AddSingleton<IEdgeHints, EdgeHints>()
.AddSingleton<IFederationHttp, FederationHttp>()
.AddSingleton<IDomainBlocks, DomainBlocks>()
.AddSingleton<IContentRenderer, ContentRenderer>()
@@ -119,6 +121,13 @@ namespace PrivaPub.Middleware
client.Timeout = TimeSpan.FromMinutes(15);
client.DefaultRequestHeaders.UserAgent.ParseAdd($"PrivaPub/{BuildInfo.Ref} (+{baseAddress}/)");
});
// not federation either: the CDNs' published address ranges (CdnUpdater), plain HTTPS to the CDNs' own hosts
service.AddHttpClient(CdnUpdater.ClientName, (provider, client) =>
{
var baseAddress = provider.GetRequiredService<IOptionsMonitor<AppConfiguration>>().CurrentValue.BackendBaseAddress?.TrimEnd('/');
client.Timeout = TimeSpan.FromMinutes(2);
client.DefaultRequestHeaders.UserAgent.ParseAdd($"PrivaPub/{BuildInfo.Ref} (+{baseAddress}/)");
});
return service
.Configure<StatisticsOptions>(configuration.GetSection("Statistics"))
.AddSingleton<InteractionSalts>()
@@ -127,7 +136,10 @@ namespace PrivaPub.Middleware
.AddHostedService(services => services.GetRequiredService<InteractionLedger>())
.AddSingleton<IJobHandler, RollupJob>()
.AddSingleton<IGeoLocator, DbIpLocator>()
.AddSingleton<ICdnRanges, CdnRanges>()
.AddHostedService<CdnUpdater>()
.AddSingleton<Domain.Statistics.ISelfLocation, Domain.Statistics.SelfLocation>()
.AddSingleton<Domain.Statistics.IServerPlaces, Domain.Statistics.ServerPlaces>()
.AddHostedService<GeoUpdater>()
.AddSingleton<Domain.Statistics.StatisticsQueries>()
.AddSingleton<IJobHandler, Federation.Crawler.CrawlPlanner>()