forked from TrueCloudLab/certificates
80 lines
2 KiB
Go
80 lines
2 KiB
Go
// Package read implements request object readers.
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package read
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import (
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"encoding/json"
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"errors"
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"io"
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"net/http"
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"google.golang.org/protobuf/encoding/protojson"
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"google.golang.org/protobuf/proto"
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"github.com/smallstep/certificates/api/render"
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"github.com/smallstep/certificates/errs"
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)
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// JSON reads JSON from the request body and stores it in the value
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// pointed by v.
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func JSON(r io.Reader, v interface{}) error {
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if err := json.NewDecoder(r).Decode(v); err != nil {
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return errs.BadRequestErr(err, "error decoding json")
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}
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return nil
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}
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// ProtoJSON reads JSON from the request body and stores it in the value
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// pointed by v.
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func ProtoJSON(r io.Reader, m proto.Message) error {
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data, err := io.ReadAll(r)
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if err != nil {
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return errs.BadRequestErr(err, "error reading request body")
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}
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return protojson.Unmarshal(data, m)
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}
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// ProtoJSONWithCheck reads JSON from the request body and stores it in the value
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// pointed to by v. Returns false if an error was written; true if not.
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func ProtoJSONWithCheck(w http.ResponseWriter, r io.Reader, m proto.Message) bool {
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data, err := io.ReadAll(r)
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if err != nil {
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var wrapper = struct {
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Status int `json:"code"`
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Message string `json:"message"`
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}{
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Status: http.StatusBadRequest,
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Message: err.Error(),
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}
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errData, err := json.Marshal(wrapper)
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if err != nil {
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panic(err)
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}
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusBadRequest)
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w.Write(errData)
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return false
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}
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if err := protojson.Unmarshal(data, m); err != nil {
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if errors.Is(err, proto.Error) {
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var wrapper = struct {
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Message string `json:"message"`
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}{
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Message: err.Error(),
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}
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errData, err := json.Marshal(wrapper)
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if err != nil {
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panic(err)
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}
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusBadRequest)
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w.Write(errData)
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return false
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}
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// fallback to the default error writer
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render.Error(w, err)
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return false
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}
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return true
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}
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