Mercurial > gemma
view pkg/controllers/geostyling.go @ 4950:427f87ac96d6 fairway-marks-import
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author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Thu, 20 Feb 2020 18:19:47 +0100 |
parents | 4a9a1e323e11 |
children | 5f47eeea988d |
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// This is Free Software under GNU Affero General Public License v >= 3.0 // without warranty, see README.md and license for details. // // SPDX-License-Identifier: AGPL-3.0-or-later // License-Filename: LICENSES/AGPL-3.0.txt // // Copyright (C) 2018 by via donau // – Österreichische Wasserstraßen-Gesellschaft mbH // Software engineering by Intevation GmbH // // Author(s): // * Sascha L. Teichmann <sascha.teichmann@intevation.de> package controllers import ( "bytes" "fmt" "io" "log" "net/http" "github.com/gorilla/mux" "gemma.intevation.de/gemma/pkg/geoserver" "gemma.intevation.de/gemma/pkg/models" ) const ( maxStyleSize = 5 * 1024 * 1024 styleName = "style" ) func extractStyle(req *http.Request) ([]byte, error) { f, _, err := req.FormFile(styleName) if err != nil { return nil, err } defer f.Close() var buf bytes.Buffer if _, err := io.Copy(&buf, io.LimitReader(f, maxStyleSize)); err != nil { return nil, err } return buf.Bytes(), nil } func supportedWMSFeature(name string) bool { return len(models.InternalServices.Filter( models.IntAnd( models.IntWMS, models.IntByName(name)))) > 0 } func uploadStyle(rw http.ResponseWriter, req *http.Request) { feature := mux.Vars(req)["feature"] // only allow internal WMS features if !supportedWMSFeature(feature) { http.Error(rw, fmt.Sprintf("WMS feature %s is not found.", feature), http.StatusNotFound) return } style, err := extractStyle(req) if err != nil { log.Printf("error: %v\n", err) http.Error(rw, "error: "+err.Error(), http.StatusBadRequest) return } log.Printf("info: uploaded file length: %d\n", len(style)) if err := models.UpdateInternalStyle(req, feature, style); err != nil { log.Printf("error: %v\n", err) http.Error(rw, "error: "+err.Error(), http.StatusInternalServerError) return } geoserver.ReconfigureStyle(feature) // Nothing to return rw.WriteHeader(http.StatusNoContent) }