Mercurial > gemma
annotate pkg/middleware/dbconn.go @ 4578:c657dec6b0fa iso-areas
Removed old contours from backend and database.
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Tue, 08 Oct 2019 12:10:55 +0200 |
parents | 6f9d00c8cc38 |
children | 5f47eeea988d |
rev | line source |
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2690
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 |
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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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5 // License-Filename: LICENSES/AGPL-3.0.txt |
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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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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 |
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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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8 // – Österreichische Wasserstraßen-Gesellschaft mbH |
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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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9 // Software engineering by Intevation GmbH |
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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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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.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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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 |
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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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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 "database/sql" |
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19 "fmt" |
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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 "log" |
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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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21 "net/http" |
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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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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 "gemma.intevation.de/gemma/pkg/auth" |
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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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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 |
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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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26 type wrapDBKeyType int |
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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 |
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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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28 const wrapDBKey wrapDBKeyType = 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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29 |
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Made 'golint' and 'staticcheck' happy with middleware package.
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30 // GetDBConn fetches a *sql.Conn from the context of the request. |
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31 // Returns nil if no such connection exists. |
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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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32 func GetDBConn(req *http.Request) *sql.Conn { |
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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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33 if conn, ok := req.Context().Value(wrapDBKey).(*sql.Conn); ok { |
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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 return conn |
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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35 } |
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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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36 return nil |
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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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37 } |
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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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38 |
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39 // DBConn is a middleware that stores a *sql.Conn in the context |
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40 // of the incoming request if the user is authorized and |
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41 // has a valid session. |
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42 // The handler will return with an http.StatusUnauthorized else |
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43 // w/o calling the cascaded next 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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44 func DBConn(next http.Handler) http.Handler { |
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45 |
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46 return http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) { |
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47 token, ok := auth.GetToken(req) |
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48 if !ok { |
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49 http.Error(rw, http.StatusText(http.StatusUnauthorized), http.StatusUnauthorized) |
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50 return |
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51 } |
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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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52 session := auth.Sessions.Session(token) |
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53 if session == nil { |
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54 http.Error(rw, http.StatusText(http.StatusUnauthorized), http.StatusUnauthorized) |
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55 return |
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56 } |
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57 parent := req.Context() |
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58 if err := auth.RunAs(parent, session.User, func(conn *sql.Conn) error { |
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59 ctx := context.WithValue(parent, wrapDBKey, conn) |
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60 req = req.WithContext(ctx) |
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61 next.ServeHTTP(rw, req) |
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62 return nil |
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63 }); err != nil { |
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64 log.Printf("error: %v\n", err) |
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65 http.Error(rw, fmt.Sprintf("error: %v", err), http.StatusInternalServerError) |
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66 } |
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67 }) |
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68 } |