Mercurial > gemma
annotate pkg/middleware/json.go @ 2785:9a7d4caa1b77
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author | Thomas Junk <thomas.junk@intevation.de> |
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date | Mon, 25 Mar 2019 10:06:43 +0100 |
parents | ef59a4255670 |
children | 6f9d00c8cc38 |
rev | line source |
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ef59a4255670
Added http middlewares to connect to db and parse input as JSON. This complements the JSONHandler which is for JSON in to JSON out. The new middlewares are for JSON in to abitrary out.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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1 // This is Free Software under GNU Affero General Public License v >= 3.0 |
ef59a4255670
Added http middlewares to connect to db and parse input as JSON. This complements the JSONHandler which is for JSON in to JSON out. The new middlewares are for JSON in to abitrary out.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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2 // without warranty, see README.md and license for details. |
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Added http middlewares to connect to db and parse input as JSON. This complements the JSONHandler which is for JSON in to JSON out. The new middlewares are for JSON in to abitrary out.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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3 // |
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Added http middlewares to connect to db and parse input as JSON. This complements the JSONHandler which is for JSON in to JSON out. The new middlewares are for JSON in to abitrary out.
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4 // SPDX-License-Identifier: AGPL-3.0-or-later |
ef59a4255670
Added http middlewares to connect to db and parse input as JSON. This complements the JSONHandler which is for JSON in to JSON out. The new middlewares are for JSON in to abitrary out.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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5 // License-Filename: LICENSES/AGPL-3.0.txt |
ef59a4255670
Added http middlewares to connect to db and parse input as JSON. This complements the JSONHandler which is for JSON in to JSON out. The new middlewares are for JSON in to abitrary out.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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6 // |
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Added http middlewares to connect to db and parse input as JSON. This complements the JSONHandler which is for JSON in to JSON out. The new middlewares are for JSON in to abitrary out.
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7 // Copyright (C) 2019 by via donau |
ef59a4255670
Added http middlewares to connect to db and parse input as JSON. This complements the JSONHandler which is for JSON in to JSON out. The new middlewares are for JSON in to abitrary out.
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8 // – Österreichische Wasserstraßen-Gesellschaft mbH |
ef59a4255670
Added http middlewares to connect to db and parse input as JSON. This complements the JSONHandler which is for JSON in to JSON out. The new middlewares are for JSON in to abitrary out.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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9 // Software engineering by Intevation GmbH |
ef59a4255670
Added http middlewares to connect to db and parse input as JSON. This complements the JSONHandler which is for JSON in to JSON out. The new middlewares are for JSON in to abitrary out.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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10 // |
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Added http middlewares to connect to db and parse input as JSON. This complements the JSONHandler which is for JSON in to JSON out. The new middlewares are for JSON in to abitrary out.
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11 // Author(s): |
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Added http middlewares to connect to db and parse input as JSON. This complements the JSONHandler which is for JSON in to JSON out. The new middlewares are for JSON in to abitrary out.
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12 // * Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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Added http middlewares to connect to db and parse input as JSON. This complements the JSONHandler which is for JSON in to JSON out. The new middlewares are for JSON in to abitrary out.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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13 |
ef59a4255670
Added http middlewares to connect to db and parse input as JSON. This complements the JSONHandler which is for JSON in to JSON out. The new middlewares are for JSON in to abitrary out.
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14 package middleware |
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Added http middlewares to connect to db and parse input as JSON. This complements the JSONHandler which is for JSON in to JSON out. The new middlewares are for JSON in to abitrary out.
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15 |
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Added http middlewares to connect to db and parse input as JSON. This complements the JSONHandler which is for JSON in to JSON out. The new middlewares are for JSON in to abitrary out.
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16 import ( |
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Added http middlewares to connect to db and parse input as JSON. This complements the JSONHandler which is for JSON in to JSON out. The new middlewares are for JSON in to abitrary out.
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17 "context" |
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Added http middlewares to connect to db and parse input as JSON. This complements the JSONHandler which is for JSON in to JSON out. The new middlewares are for JSON in to abitrary out.
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18 "encoding/json" |
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Added http middlewares to connect to db and parse input as JSON. This complements the JSONHandler which is for JSON in to JSON out. The new middlewares are for JSON in to abitrary out.
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19 "io" |
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Added http middlewares to connect to db and parse input as JSON. This complements the JSONHandler which is for JSON in to JSON out. The new middlewares are for JSON in to abitrary out.
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20 "net/http" |
ef59a4255670
Added http middlewares to connect to db and parse input as JSON. This complements the JSONHandler which is for JSON in to JSON out. The new middlewares are for JSON in to abitrary out.
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21 ) |
ef59a4255670
Added http middlewares to connect to db and parse input as JSON. This complements the JSONHandler which is for JSON in to JSON out. The new middlewares are for JSON in to abitrary out.
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22 |
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Added http middlewares to connect to db and parse input as JSON. This complements the JSONHandler which is for JSON in to JSON out. The new middlewares are for JSON in to abitrary out.
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23 type jsonInputKeyType int |
ef59a4255670
Added http middlewares to connect to db and parse input as JSON. This complements the JSONHandler which is for JSON in to JSON out. The new middlewares are for JSON in to abitrary out.
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24 |
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Added http middlewares to connect to db and parse input as JSON. This complements the JSONHandler which is for JSON in to JSON out. The new middlewares are for JSON in to abitrary out.
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25 const jsonInputKey jsonInputKeyType = 0 |
ef59a4255670
Added http middlewares to connect to db and parse input as JSON. This complements the JSONHandler which is for JSON in to JSON out. The new middlewares are for JSON in to abitrary out.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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26 |
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Added http middlewares to connect to db and parse input as JSON. This complements the JSONHandler which is for JSON in to JSON out. The new middlewares are for JSON in to abitrary out.
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27 const DefaultLimit = 2048 |
ef59a4255670
Added http middlewares to connect to db and parse input as JSON. This complements the JSONHandler which is for JSON in to JSON out. The new middlewares are for JSON in to abitrary out.
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28 |
ef59a4255670
Added http middlewares to connect to db and parse input as JSON. This complements the JSONHandler which is for JSON in to JSON out. The new middlewares are for JSON in to abitrary out.
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29 func GetJSONInput(req *http.Request) interface{} { |
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Added http middlewares to connect to db and parse input as JSON. This complements the JSONHandler which is for JSON in to JSON out. The new middlewares are for JSON in to abitrary out.
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30 return req.Context().Value(jsonInputKey) |
ef59a4255670
Added http middlewares to connect to db and parse input as JSON. This complements the JSONHandler which is for JSON in to JSON out. The new middlewares are for JSON in to abitrary out.
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31 } |
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32 |
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33 func JSONInput(next http.Handler, input func(*http.Request) interface{}, limit int64) http.Handler { |
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Added http middlewares to connect to db and parse input as JSON. This complements the JSONHandler which is for JSON in to JSON out. The new middlewares are for JSON in to abitrary out.
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34 |
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35 return http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) { |
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36 dst := input(req) |
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37 defer req.Body.Close() |
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38 var r io.Reader |
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39 switch { |
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40 case limit == 0: |
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41 r = io.LimitReader(req.Body, DefaultLimit) |
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Added http middlewares to connect to db and parse input as JSON. This complements the JSONHandler which is for JSON in to JSON out. The new middlewares are for JSON in to abitrary out.
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42 case limit > 0: |
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43 r = io.LimitReader(req.Body, limit) |
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44 default: |
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45 r = req.Body |
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46 } |
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47 if err := json.NewDecoder(r).Decode(dst); err != nil { |
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48 http.Error(rw, "error: "+err.Error(), http.StatusBadRequest) |
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49 return |
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50 } |
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Added http middlewares to connect to db and parse input as JSON. This complements the JSONHandler which is for JSON in to JSON out. The new middlewares are for JSON in to abitrary out.
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51 parent := req.Context() |
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52 ctx := context.WithValue(parent, jsonInputKey, input) |
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Added http middlewares to connect to db and parse input as JSON. This complements the JSONHandler which is for JSON in to JSON out. The new middlewares are for JSON in to abitrary out.
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53 req = req.WithContext(ctx) |
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54 next.ServeHTTP(rw, req) |
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55 }) |
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56 } |