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fix: explicitly set ProxyConnectHeader for Webshare HTTPS CONNECT auth #10

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Merged
Jing-yilin merged 1 commit into from
Feb 27, 2026
Merged

fix: explicitly set ProxyConnectHeader for Webshare HTTPS CONNECT auth #10

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9 changes: 9 additions & 0 deletions backend/internal/service/kickstarter_graph.go
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@ package service

import (
"bytes"
"encoding/base64"
"encoding/json"
"fmt"
"io"
Expand Down Expand Up @@ -45,6 +46,14 @@ func NewKickstarterGraphClient(proxyURL string) *KickstarterGraphClient {
parsed, err := url.Parse(proxyURL)
if err == nil {
transport.Proxy = http.ProxyURL(parsed)
// Explicitly set Proxy-Authorization for HTTPS CONNECT tunneling.
// Go's http.Transport does not auto-retry 407 challenges for CONNECT.
if parsed.User != nil {
creds := base64.StdEncoding.EncodeToString([]byte(parsed.User.String()))
transport.ProxyConnectHeader = http.Header{
"Proxy-Authorization": []string{"Basic " + creds},
}
}
log.Printf("KickstarterGraphClient: using proxy %s://%s", parsed.Scheme, parsed.Host)
} else {
log.Printf("KickstarterGraphClient: invalid proxy URL, ignoring: %v", err)
Expand Down
7 changes: 7 additions & 0 deletions backend/internal/service/kickstarter_rest.go
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
package service

import (
"encoding/base64"
"encoding/json"
"fmt"
"log"
Expand Down Expand Up @@ -57,6 +58,12 @@ func NewKickstarterRESTClient(proxyURL string) *KickstarterRESTClient {
parsed, err := url.Parse(proxyURL)
if err == nil {
transport.Proxy = http.ProxyURL(parsed)
if parsed.User != nil {
creds := base64.StdEncoding.EncodeToString([]byte(parsed.User.String()))
transport.ProxyConnectHeader = http.Header{
"Proxy-Authorization": []string{"Basic " + creds},
}
}
log.Printf("KickstarterRESTClient: using proxy %s://%s", parsed.Scheme, parsed.Host)
} else {
log.Printf("KickstarterRESTClient: invalid proxy URL, ignoring: %v", err)
Expand Down