48 lines
1.0 KiB
Go
48 lines
1.0 KiB
Go
package relayinfo
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import (
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"encoding/json"
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"io"
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"net/http"
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"orly.dev/pkg/utils/chk"
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"orly.dev/pkg/utils/context"
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"orly.dev/pkg/utils/errorf"
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"orly.dev/pkg/utils/normalize"
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"time"
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)
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// Fetch fetches the NIP-11 Info.
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func Fetch(c context.T, u []byte) (info *T, err error) {
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if _, ok := c.Deadline(); !ok {
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// if no timeout is set, force it to 7 seconds
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var cancel context.F
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c, cancel = context.Timeout(c, 7*time.Second)
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defer cancel()
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}
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u = normalize.URL(u)
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var req *http.Request
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if req, err = http.NewRequestWithContext(
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c, http.MethodGet, string(u), nil,
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); chk.E(err) {
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return
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}
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// add the NIP-11 header
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req.Header.Add("Accept", "application/nostr+json")
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// send the response
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var resp *http.Response
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if resp, err = http.DefaultClient.Do(req); chk.E(err) {
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err = errorf.E("request failed: %w", err)
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return
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}
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defer chk.E(resp.Body.Close())
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var b []byte
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if b, err = io.ReadAll(resp.Body); chk.E(err) {
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return
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}
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info = &T{}
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if err = json.Unmarshal(b, info); chk.E(err) {
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return
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}
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return
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}
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