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package requester
import (
"context"
"net/http"
"net/url"
"strings"
"time"
"github.com/johnandersen777/socialweb-computer-kcp/api/v1alpha1"
"github.com/johnandersen777/socialweb-computer-kcp/internal/atproto/market"
"github.com/johnandersen777/socialweb-computer-kcp/internal/market/participant"
)
const serviceAuthTimeout = 5 * time.Second
type RequestError struct {
Status int
Code string
Message string
}
func (e *RequestError) Error() string {
if e.Message != "" {
return e.Message
}
return e.Code
}
type SubmittedRecord struct {
URI string `json:"uri"`
CID string `json:"cid"`
Record map[string]any `json:"record"`
Ingress []market.StrongRef `json:"ingress,omitempty"`
}
func invalidRequest(err error) *RequestError {
return &RequestError{Status: http.StatusBadRequest, Code: "InvalidRequest", Message: err.Error()}
}
func (q *Requester) CallbackHostname(host string) string {
if host = strings.TrimSpace(host); host != "" {
return host
}
raw := strings.TrimSpace(q.cfg.Network().IngressProxyHost)
if raw == "" {
return ""
}
if u, err := url.Parse(raw); err == nil && u.Host != "" {
return u.Host
}
if !strings.Contains(raw, "://") {
return strings.Trim(raw, "[]")
}
return ""
}
func (q *Requester) AuthorizeCallback(ctx context.Context, host, authorization, lxm, serviceID string) (string, error) {
hostname := q.CallbackHostname(host)
if hostname == "" {
return "", &RequestError{Status: http.StatusBadRequest, Code: "InvalidRequest", Message: "no callback hostname"}
}
ctx, cancel := context.WithTimeout(ctx, serviceAuthTimeout)
defer cancel()
audiences := []string{q.marketDID, q.repoDID, q.did}
for _, raw := range []string{q.marketAddress(), q.cfg.Network().IngressProxyHost} {
raw = strings.TrimSpace(raw)
if raw == "" {
continue
}
host := raw
if u, err := url.Parse(raw); err == nil && u.Host != "" {
host = u.Host
}
audiences = append(audiences, market.ServiceAudienceDIDs(host)...)
}
audiences = append(audiences, market.ServiceAudienceDIDs(hostname)...)
verifier := &participant.Authorizer{Directory: q.deps.Directory, Hostname: hostname, ServiceIDs: []string{serviceID}, AudienceDIDs: audiences}
issuer, err := verifier.Verify(ctx, authorization, lxm)
if err != nil {
return "", &RequestError{Status: http.StatusUnauthorized, Code: "Unauthorized", Message: err.Error()}
}
return issuer, nil
}
func (q *Requester) SubmitBid(ctx context.Context, issuer string, body SubmittedRecord) error {
if err := market.AuthorizeRecord(issuer, body.URI); err != nil {
return &RequestError{Status: http.StatusForbidden, Code: "Forbidden", Message: err.Error()}
}
bid, err := market.ParseBid(body.Record)
if err != nil {
return invalidRequest(err)
}
if err := q.storeBidMailbox(ctx, issuer, body.URI, body.CID, body.Record); err != nil {
q.log.Warn("requester_bid_enqueue_failed", "uri", body.URI, "err", err)
return &RequestError{Status: http.StatusServiceUnavailable, Code: "Unavailable", Message: err.Error()}
}
q.queueBid(bid.RFP.URI, BidRecord{DID: issuer, URI: body.URI, CID: body.CID, Record: body.Record, ArrivedAt: q.now()})
q.log.Info("requester_bid_received", "bidder", issuer, "uri", body.URI, "rfp", bid.RFP.URI)
return nil
}
func (q *Requester) SubmitEvent(ctx context.Context, issuer string, body SubmittedRecord) error {
if body.URI == "" || body.CID == "" || body.Record == nil {
return &RequestError{Status: http.StatusBadRequest, Code: "InvalidRequest", Message: "missing uri, cid, or record"}
}
if err := market.AuthorizeRecord(issuer, body.URI); err != nil {
return &RequestError{Status: http.StatusForbidden, Code: "Forbidden", Message: err.Error()}
}
event, err := market.ParseEvent(body.Record)
if err != nil {
return invalidRequest(err)
}
if !isGuestEventNSID(market.NSIDFromURI(event.Payload.URI)) {
return &RequestError{Status: http.StatusBadRequest, Code: "InvalidRequest", Message: "the payload is not a guest event"}
}
ref := v1alpha1.ComputeContractEvent{URI: body.URI, CID: body.CID, ReceiptURI: event.Receipt.URI, ReceivedAt: q.nowISO()}
if err := q.enqueueEvent(ctx, ref, issuer, body.Record); err != nil {
q.log.Warn("requester_event_enqueue_failed", "uri", body.URI, "err", err)
return &RequestError{Status: http.StatusServiceUnavailable, Code: "Unavailable", Message: err.Error()}
}
q.log.Info("requester_event_queued", "uri", body.URI, "receipt", event.Receipt.URI)
q.noteEventReceipt(ctx, issuer, market.RecordRef{URI: event.Receipt.URI, CID: event.Receipt.CID})
return nil
}
func (q *Requester) noteEventReceipt(ctx context.Context, issuer string, ref market.RecordRef) {
if ref.URI == "" || market.ATURIAuthority(ref.URI) != issuer || market.NSIDFromURI(ref.URI) != market.ReceiptNSID {
return
}
resolved, err := q.repo.Resolve(ctx, ref)
if err != nil {
q.log.Warn("requester_event_receipt_unresolved", "receipt", ref.URI, "err", err)
return
}
if _, err := market.ParseReceipt(resolved.Value); err != nil {
q.log.Warn("requester_event_receipt_invalid", "receipt", ref.URI, "err", err)
return
}
q.noteReceipt(resolved)
}
