implement paste reports

internal/web/server.go

@@ -5,6 +5,7 @@ import (
 	"github.com/go-chi/chi/v5"
 	"github.com/lus/pasty/internal/meta"
 	"github.com/lus/pasty/internal/pastes"
+	"github.com/lus/pasty/internal/reports"
 	"github.com/lus/pasty/internal/storage"
 	"net/http"
 )
@@ -16,6 +17,10 @@ type Server struct {
 	// The storage driver to use.
 	Storage storage.Driver
 
+	// The report client to use to send reports.
+	// If this is set to nil, the report system will be considered deactivated.
+	ReportClient *reports.Client
+
 	// Whether the Hastebin support should be enabled.
 	// If this is set to 'false', the Hastebin specific endpoints will not be registered.
 	HastebinSupport bool
@@ -63,12 +68,15 @@ func (server *Server) Start() error {
 	router.Post("/api/v2/pastes", server.v2EndpointCreatePaste)
 	router.With(server.v2MiddlewareInjectPaste, server.v2MiddlewareAuthorize).Patch("/api/v2/pastes/{paste_id}", server.v2EndpointModifyPaste)
 	router.With(server.v2MiddlewareInjectPaste, server.v2MiddlewareAuthorize).Delete("/api/v2/pastes/{paste_id}", server.v2EndpointDeletePaste)
+	if server.ReportClient != nil {
+		router.With(server.v2MiddlewareInjectPaste).Post("/api/v2/pastes/{paste_id}/report", server.v2EndpointReportPaste)
+	}
 	router.Get("/api/v2/info", func(writer http.ResponseWriter, request *http.Request) {
 		writeJSONOrErr(writer, http.StatusOK, map[string]any{
 			"version":            meta.Version,
 			"modificationTokens": server.ModificationTokensEnabled,
-			"reports":            false, // TODO: Return report state
-			"pasteLifetime":      -1,    // TODO: Return paste lifetime
+			"reports":            server.ReportClient != nil,
+			"pasteLifetime":      -1, // TODO: Return paste lifetime
 		})
 	})
 

internal/web/v2_end_report_paste.go

@@ -0,0 +1,48 @@
+package web
+
+import (
+	"encoding/json"
+	"github.com/lus/pasty/internal/pastes"
+	"github.com/lus/pasty/internal/reports"
+	"io"
+	"net/http"
+)
+
+type v2EndpointReportPastePayload struct {
+	Reason string `json:"reason"`
+}
+
+func (server *Server) v2EndpointReportPaste(writer http.ResponseWriter, request *http.Request) {
+	paste, ok := request.Context().Value("paste").(*pastes.Paste)
+	if !ok {
+		writeString(writer, http.StatusInternalServerError, "missing paste object")
+		return
+	}
+
+	// Read, parse and validate the request payload
+	body, err := io.ReadAll(request.Body)
+	if err != nil {
+		writeErr(writer, err)
+		return
+	}
+	payload := new(v2EndpointReportPastePayload)
+	if err := json.Unmarshal(body, payload); err != nil {
+		writeErr(writer, err)
+		return
+	}
+	if payload.Reason == "" {
+		writeString(writer, http.StatusBadRequest, "missing report reason")
+		return
+	}
+
+	report := &reports.Report{
+		Paste:  paste.ID,
+		Reason: payload.Reason,
+	}
+	response, err := server.ReportClient.Send(report)
+	if err != nil {
+		writeErr(writer, err)
+		return
+	}
+	writeJSONOrErr(writer, http.StatusOK, response)
+}