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pasty/internal/web/v2_end_create_paste.go

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2023-06-07 20:51:54 +03:00
package web
import (
"encoding/json"
"github.com/lus/pasty/internal/pastes"
"github.com/lus/pasty/internal/randx"
"io"
"net/http"
"time"
)
type v2EndpointCreatePastePayload struct {
Content string `json:"content"`
Metadata map[string]any `json:"metadata"`
}
func (server *Server) v2EndpointCreatePaste(writer http.ResponseWriter, request *http.Request) {
// Read, parse and validate the request payload
body, err := io.ReadAll(request.Body)
if err != nil {
writeErr(writer, err)
return
}
payload := new(v2EndpointCreatePastePayload)
if err := json.Unmarshal(body, payload); err != nil {
writeErr(writer, err)
return
}
if payload.Content == "" {
writeString(writer, http.StatusBadRequest, "missing paste content")
return
}
if server.PasteLengthCap > 0 && len(payload.Content) > server.PasteLengthCap {
writeString(writer, http.StatusBadRequest, "too large paste content")
return
}
id, err := pastes.GenerateID(request.Context(), server.Storage.Pastes(), server.PasteIDCharset, server.PasteIDLength)
if err != nil {
writeErr(writer, err)
return
}
paste := &pastes.Paste{
ID: id,
Content: payload.Content,
Created: time.Now().Unix(),
Metadata: payload.Metadata,
}
modificationToken := ""
if server.ModificationTokensEnabled {
modificationToken = randx.String(server.ModificationTokenCharset, server.ModificationTokenLength)
paste.ModificationToken = modificationToken
if err := paste.HashModificationToken(); err != nil {
writeErr(writer, err)
return
}
}
if err := server.Storage.Pastes().Upsert(request.Context(), paste); err != nil {
writeErr(writer, err)
return
}
cpy := *paste
cpy.ModificationToken = modificationToken
writeJSONOrErr(writer, http.StatusCreated, cpy)
}