mirror of https://github.com/lus/pasty.git
61 lines
1.5 KiB
Go
61 lines
1.5 KiB
Go
package web
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import (
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"encoding/json"
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"github.com/lus/pasty/internal/pastes"
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"io"
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"net/http"
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)
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type v2EndpointModifyPastePayload struct {
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Content *string `json:"content"`
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Metadata map[string]any `json:"metadata"`
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}
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func (server *Server) v2EndpointModifyPaste(writer http.ResponseWriter, request *http.Request) {
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paste, ok := request.Context().Value("paste").(*pastes.Paste)
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if !ok {
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writeString(writer, http.StatusInternalServerError, "missing paste object")
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return
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}
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// Read, parse and validate the request payload
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body, err := io.ReadAll(request.Body)
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if err != nil {
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writeErr(request, writer, err)
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return
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}
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payload := new(v2EndpointModifyPastePayload)
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if err := json.Unmarshal(body, payload); err != nil {
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writeErr(request, writer, err)
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return
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}
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if payload.Content != nil && *payload.Content == "" {
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writeString(writer, http.StatusBadRequest, "missing paste content")
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return
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}
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if payload.Content != nil && server.PasteLengthCap > 0 && len(*payload.Content) > server.PasteLengthCap {
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writeString(writer, http.StatusBadRequest, "too large paste content")
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return
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}
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// Modify the paste itself
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if payload.Content != nil {
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paste.Content = *payload.Content
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}
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if payload.Metadata != nil {
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for key, value := range payload.Metadata {
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if value == nil {
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delete(paste.Metadata, key)
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continue
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}
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paste.Metadata[key] = value
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}
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}
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// Save the modified paste
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if err := server.Storage.Pastes().Upsert(request.Context(), paste); err != nil {
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writeErr(request, writer, err)
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}
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}
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