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MinAgent 0.155.0 (unchanged). Tests red-proved by mutation (A: 10, B: 7, C: 1, C2: 2). Claude-Session: https://claude.ai/code/session_0159rPz1ZhFKsS53msqPYxtS
45 lines
1.9 KiB
Go
45 lines
1.9 KiB
Go
package mediawire
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import (
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"context"
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"fmt"
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"net"
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"strconv"
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"time"
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)
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// R-1060 (v0.314.0): every call the box makes to Plex goes to its ADDRESS, never to the name „plex".
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//
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// Plex refuses a request whose Host header is a name it does not know as non-local: „Request came in with unrecognized
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// domain / IP 'plex' in header Host; treating as non-local" (its own log, demo-hp 9201, 2026-10-15). The claim answered
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// 401 in 0 ms with two fresh codes; by address the same request is local (a fake code: 500 from plex.tv; measured,
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// felhom.eu audits/media-build-2026-10-15/G7/G5e-host-measure.txt). The K6 spike on Tester 1 called by address and passed;
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// the product called by name, and its tests replaced Plex with a seam, so nothing met the refusal before a household did.
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// Used by all four calls: the claim and the identity (internal/web), the library wiring and the sessions (this package).
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// Pinned by plexaddr_test.go and internal/web/r1060_plex_by_address_test.go.
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// PlexLookup resolves the plex container on the docker network AT CALL TIME — never cached: a restarted container may
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// get another address. A seam for tests.
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var PlexLookup = func(ctx context.Context) ([]net.IPAddr, error) {
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return net.DefaultResolver.LookupIPAddr(ctx, "plex")
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}
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// PlexURL is Plex's base URL by address: http://<ip>:<port> (IPv4 first).
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func PlexURL(port int) (string, error) {
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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addrs, err := PlexLookup(ctx)
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if err != nil {
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return "", fmt.Errorf("resolving the plex container: %w", err)
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}
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for _, a := range addrs {
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if ip4 := a.IP.To4(); ip4 != nil {
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return "http://" + net.JoinHostPort(ip4.String(), strconv.Itoa(port)), nil
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}
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}
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for _, a := range addrs {
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return "http://" + net.JoinHostPort(a.IP.String(), strconv.Itoa(port)), nil
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}
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return "", fmt.Errorf("the plex container resolves to no address")
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}
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