AdGuardHome/internal/home/middlewares.go

78 lines
2.0 KiB
Go
Raw Normal View History

Pull request: 2305 limit message size Merge in DNS/adguard-home from 2305-limit-message-size to master Closes #2305. Squashed commit of the following: commit 6edd1e0521277a680f0053308efcf3d9cacc8e62 Author: Eugene Burkov <e.burkov@adguard.com> Date: Mon Nov 23 14:03:36 2020 +0300 aghio: fix final inaccuracies commit 4dd382aaf25132b31eb269749a2cd36daf0cb792 Author: Eugene Burkov <e.burkov@adguard.com> Date: Mon Nov 23 13:59:10 2020 +0300 all: improve code quality commit 060f923f6023d0e6f26441559b7023d5e5f96843 Author: Eugene Burkov <e.burkov@adguard.com> Date: Mon Nov 23 13:10:57 2020 +0300 aghio: add validation to constructor commit f57a2f596f5dc578548241c315c68dce7fc93905 Author: Eugene Burkov <e.burkov@adguard.com> Date: Fri Nov 20 19:19:26 2020 +0300 all: fix minor inaccuracies commit 93462c71725d3d00655a4bd565b77e64451fff60 Author: Eugene Burkov <e.burkov@adguard.com> Date: Fri Nov 20 19:13:23 2020 +0300 home: make test name follow convention commit 4922986ad84481b054479c43b4133a1b97bee86b Merge: 1f5472abc 046ec13fd Author: Eugene Burkov <e.burkov@adguard.com> Date: Fri Nov 20 19:09:01 2020 +0300 Merge branch 'master' into 2305-limit-message-size commit 1f5472abcfa7427f389825fc59eb4253e1e2bfb7 Author: Eugene Burkov <e.burkov@adguard.com> Date: Fri Nov 20 19:08:21 2020 +0300 aghio: improve readability commit 60dc706b093fa22bbf62f13b2341934364ddc4df Author: Eugene Burkov <e.burkov@adguard.com> Date: Fri Nov 20 18:44:08 2020 +0300 home: cover middleware with test commit bedf436b947ca1fa4493af2fc94f1f40beec7c35 Author: Eugene Burkov <e.burkov@adguard.com> Date: Fri Nov 20 17:10:23 2020 +0300 aghio: improved error informativeness commit 682c5da9f21fa330fb3536bb1c112129c91b9990 Author: Eugene Burkov <e.burkov@adguard.com> Date: Fri Nov 20 13:37:51 2020 +0300 all: limit readers for ReadAll dealing with miscellanious data. commit 78c6dd8d90a0a43fe6ee3f9ed4d5fc637b15ba74 Author: Eugene Burkov <e.burkov@adguard.com> Date: Thu Nov 19 20:07:43 2020 +0300 all: handle ReadAll calls dealing with request's bodies. commit bfe1a6faf6468eb44515e2b0ecffa8c51f90b7e8 Author: Eugene Burkov <e.burkov@adguard.com> Date: Thu Nov 19 17:25:34 2020 +0300 home: add middlewares commit bbd1d491b318e6ba07f8af23ad546183383783a8 Merge: 7b77c2cad 62a8fe0b7 Author: Eugene Burkov <e.burkov@adguard.com> Date: Thu Nov 19 16:44:04 2020 +0300 Merge branch 'master' into 2305-limit-message-size commit 7b77c2cad03154177392460982e1d73ee2a30177 Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 17 15:33:33 2020 +0300 aghio: create package
2020-11-23 11:14:08 +00:00
package home
import (
"io"
Pull request: 2305 limit message size Merge in DNS/adguard-home from 2305-limit-message-size to master Closes #2305. Squashed commit of the following: commit 6edd1e0521277a680f0053308efcf3d9cacc8e62 Author: Eugene Burkov <e.burkov@adguard.com> Date: Mon Nov 23 14:03:36 2020 +0300 aghio: fix final inaccuracies commit 4dd382aaf25132b31eb269749a2cd36daf0cb792 Author: Eugene Burkov <e.burkov@adguard.com> Date: Mon Nov 23 13:59:10 2020 +0300 all: improve code quality commit 060f923f6023d0e6f26441559b7023d5e5f96843 Author: Eugene Burkov <e.burkov@adguard.com> Date: Mon Nov 23 13:10:57 2020 +0300 aghio: add validation to constructor commit f57a2f596f5dc578548241c315c68dce7fc93905 Author: Eugene Burkov <e.burkov@adguard.com> Date: Fri Nov 20 19:19:26 2020 +0300 all: fix minor inaccuracies commit 93462c71725d3d00655a4bd565b77e64451fff60 Author: Eugene Burkov <e.burkov@adguard.com> Date: Fri Nov 20 19:13:23 2020 +0300 home: make test name follow convention commit 4922986ad84481b054479c43b4133a1b97bee86b Merge: 1f5472abc 046ec13fd Author: Eugene Burkov <e.burkov@adguard.com> Date: Fri Nov 20 19:09:01 2020 +0300 Merge branch 'master' into 2305-limit-message-size commit 1f5472abcfa7427f389825fc59eb4253e1e2bfb7 Author: Eugene Burkov <e.burkov@adguard.com> Date: Fri Nov 20 19:08:21 2020 +0300 aghio: improve readability commit 60dc706b093fa22bbf62f13b2341934364ddc4df Author: Eugene Burkov <e.burkov@adguard.com> Date: Fri Nov 20 18:44:08 2020 +0300 home: cover middleware with test commit bedf436b947ca1fa4493af2fc94f1f40beec7c35 Author: Eugene Burkov <e.burkov@adguard.com> Date: Fri Nov 20 17:10:23 2020 +0300 aghio: improved error informativeness commit 682c5da9f21fa330fb3536bb1c112129c91b9990 Author: Eugene Burkov <e.burkov@adguard.com> Date: Fri Nov 20 13:37:51 2020 +0300 all: limit readers for ReadAll dealing with miscellanious data. commit 78c6dd8d90a0a43fe6ee3f9ed4d5fc637b15ba74 Author: Eugene Burkov <e.burkov@adguard.com> Date: Thu Nov 19 20:07:43 2020 +0300 all: handle ReadAll calls dealing with request's bodies. commit bfe1a6faf6468eb44515e2b0ecffa8c51f90b7e8 Author: Eugene Burkov <e.burkov@adguard.com> Date: Thu Nov 19 17:25:34 2020 +0300 home: add middlewares commit bbd1d491b318e6ba07f8af23ad546183383783a8 Merge: 7b77c2cad 62a8fe0b7 Author: Eugene Burkov <e.burkov@adguard.com> Date: Thu Nov 19 16:44:04 2020 +0300 Merge branch 'master' into 2305-limit-message-size commit 7b77c2cad03154177392460982e1d73ee2a30177 Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 17 15:33:33 2020 +0300 aghio: create package
2020-11-23 11:14:08 +00:00
"net/http"
"github.com/AdguardTeam/AdGuardHome/internal/aghio"
"github.com/AdguardTeam/golibs/log"
)
// middlerware is a wrapper function signature.
type middleware func(http.Handler) http.Handler
// withMiddlewares consequently wraps h with all the middlewares.
func withMiddlewares(h http.Handler, middlewares ...middleware) (wrapped http.Handler) {
wrapped = h
for _, mw := range middlewares {
wrapped = mw(wrapped)
}
return wrapped
}
// defaultReqBodySzLim is the default maximum request body size.
const defaultReqBodySzLim = 64 * 1024
// largerReqBodySzLim is the maximum request body size for APIs expecting larger
// requests.
const largerReqBodySzLim = 4 * 1024 * 1024
// expectsLargerRequests shows if this request should use a larger body size
// limit. These are exceptions for poorly designed current APIs as well as APIs
// that are designed to expect large files and requests. Remove once the new,
// better APIs are up.
//
// See https://github.com/AdguardTeam/AdGuardHome/issues/2666 and
// https://github.com/AdguardTeam/AdGuardHome/issues/2675.
func expectsLargerRequests(r *http.Request) (ok bool) {
m := r.Method
if m != http.MethodPost {
return false
}
p := r.URL.Path
return p == "/control/access/set" ||
p == "/control/filtering/set_rules"
}
Pull request: 2305 limit message size Merge in DNS/adguard-home from 2305-limit-message-size to master Closes #2305. Squashed commit of the following: commit 6edd1e0521277a680f0053308efcf3d9cacc8e62 Author: Eugene Burkov <e.burkov@adguard.com> Date: Mon Nov 23 14:03:36 2020 +0300 aghio: fix final inaccuracies commit 4dd382aaf25132b31eb269749a2cd36daf0cb792 Author: Eugene Burkov <e.burkov@adguard.com> Date: Mon Nov 23 13:59:10 2020 +0300 all: improve code quality commit 060f923f6023d0e6f26441559b7023d5e5f96843 Author: Eugene Burkov <e.burkov@adguard.com> Date: Mon Nov 23 13:10:57 2020 +0300 aghio: add validation to constructor commit f57a2f596f5dc578548241c315c68dce7fc93905 Author: Eugene Burkov <e.burkov@adguard.com> Date: Fri Nov 20 19:19:26 2020 +0300 all: fix minor inaccuracies commit 93462c71725d3d00655a4bd565b77e64451fff60 Author: Eugene Burkov <e.burkov@adguard.com> Date: Fri Nov 20 19:13:23 2020 +0300 home: make test name follow convention commit 4922986ad84481b054479c43b4133a1b97bee86b Merge: 1f5472abc 046ec13fd Author: Eugene Burkov <e.burkov@adguard.com> Date: Fri Nov 20 19:09:01 2020 +0300 Merge branch 'master' into 2305-limit-message-size commit 1f5472abcfa7427f389825fc59eb4253e1e2bfb7 Author: Eugene Burkov <e.burkov@adguard.com> Date: Fri Nov 20 19:08:21 2020 +0300 aghio: improve readability commit 60dc706b093fa22bbf62f13b2341934364ddc4df Author: Eugene Burkov <e.burkov@adguard.com> Date: Fri Nov 20 18:44:08 2020 +0300 home: cover middleware with test commit bedf436b947ca1fa4493af2fc94f1f40beec7c35 Author: Eugene Burkov <e.burkov@adguard.com> Date: Fri Nov 20 17:10:23 2020 +0300 aghio: improved error informativeness commit 682c5da9f21fa330fb3536bb1c112129c91b9990 Author: Eugene Burkov <e.burkov@adguard.com> Date: Fri Nov 20 13:37:51 2020 +0300 all: limit readers for ReadAll dealing with miscellanious data. commit 78c6dd8d90a0a43fe6ee3f9ed4d5fc637b15ba74 Author: Eugene Burkov <e.burkov@adguard.com> Date: Thu Nov 19 20:07:43 2020 +0300 all: handle ReadAll calls dealing with request's bodies. commit bfe1a6faf6468eb44515e2b0ecffa8c51f90b7e8 Author: Eugene Burkov <e.burkov@adguard.com> Date: Thu Nov 19 17:25:34 2020 +0300 home: add middlewares commit bbd1d491b318e6ba07f8af23ad546183383783a8 Merge: 7b77c2cad 62a8fe0b7 Author: Eugene Burkov <e.burkov@adguard.com> Date: Thu Nov 19 16:44:04 2020 +0300 Merge branch 'master' into 2305-limit-message-size commit 7b77c2cad03154177392460982e1d73ee2a30177 Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 17 15:33:33 2020 +0300 aghio: create package
2020-11-23 11:14:08 +00:00
// limitRequestBody wraps underlying handler h, making it's request's body Read
// method limited.
func limitRequestBody(h http.Handler) (limited http.Handler) {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
var err error
var szLim int64 = defaultReqBodySzLim
if expectsLargerRequests(r) {
szLim = largerReqBodySzLim
}
var reader io.Reader
reader, err = aghio.LimitReader(r.Body, szLim)
Pull request: 2305 limit message size Merge in DNS/adguard-home from 2305-limit-message-size to master Closes #2305. Squashed commit of the following: commit 6edd1e0521277a680f0053308efcf3d9cacc8e62 Author: Eugene Burkov <e.burkov@adguard.com> Date: Mon Nov 23 14:03:36 2020 +0300 aghio: fix final inaccuracies commit 4dd382aaf25132b31eb269749a2cd36daf0cb792 Author: Eugene Burkov <e.burkov@adguard.com> Date: Mon Nov 23 13:59:10 2020 +0300 all: improve code quality commit 060f923f6023d0e6f26441559b7023d5e5f96843 Author: Eugene Burkov <e.burkov@adguard.com> Date: Mon Nov 23 13:10:57 2020 +0300 aghio: add validation to constructor commit f57a2f596f5dc578548241c315c68dce7fc93905 Author: Eugene Burkov <e.burkov@adguard.com> Date: Fri Nov 20 19:19:26 2020 +0300 all: fix minor inaccuracies commit 93462c71725d3d00655a4bd565b77e64451fff60 Author: Eugene Burkov <e.burkov@adguard.com> Date: Fri Nov 20 19:13:23 2020 +0300 home: make test name follow convention commit 4922986ad84481b054479c43b4133a1b97bee86b Merge: 1f5472abc 046ec13fd Author: Eugene Burkov <e.burkov@adguard.com> Date: Fri Nov 20 19:09:01 2020 +0300 Merge branch 'master' into 2305-limit-message-size commit 1f5472abcfa7427f389825fc59eb4253e1e2bfb7 Author: Eugene Burkov <e.burkov@adguard.com> Date: Fri Nov 20 19:08:21 2020 +0300 aghio: improve readability commit 60dc706b093fa22bbf62f13b2341934364ddc4df Author: Eugene Burkov <e.burkov@adguard.com> Date: Fri Nov 20 18:44:08 2020 +0300 home: cover middleware with test commit bedf436b947ca1fa4493af2fc94f1f40beec7c35 Author: Eugene Burkov <e.burkov@adguard.com> Date: Fri Nov 20 17:10:23 2020 +0300 aghio: improved error informativeness commit 682c5da9f21fa330fb3536bb1c112129c91b9990 Author: Eugene Burkov <e.burkov@adguard.com> Date: Fri Nov 20 13:37:51 2020 +0300 all: limit readers for ReadAll dealing with miscellanious data. commit 78c6dd8d90a0a43fe6ee3f9ed4d5fc637b15ba74 Author: Eugene Burkov <e.burkov@adguard.com> Date: Thu Nov 19 20:07:43 2020 +0300 all: handle ReadAll calls dealing with request's bodies. commit bfe1a6faf6468eb44515e2b0ecffa8c51f90b7e8 Author: Eugene Burkov <e.burkov@adguard.com> Date: Thu Nov 19 17:25:34 2020 +0300 home: add middlewares commit bbd1d491b318e6ba07f8af23ad546183383783a8 Merge: 7b77c2cad 62a8fe0b7 Author: Eugene Burkov <e.burkov@adguard.com> Date: Thu Nov 19 16:44:04 2020 +0300 Merge branch 'master' into 2305-limit-message-size commit 7b77c2cad03154177392460982e1d73ee2a30177 Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 17 15:33:33 2020 +0300 aghio: create package
2020-11-23 11:14:08 +00:00
if err != nil {
log.Error("limitRequestBody: %s", err)
return
}
// HTTP handlers aren't supposed to call r.Body.Close(), so just
// replace the body in a clone.
rr := r.Clone(r.Context())
rr.Body = io.NopCloser(reader)
h.ServeHTTP(w, rr)
Pull request: 2305 limit message size Merge in DNS/adguard-home from 2305-limit-message-size to master Closes #2305. Squashed commit of the following: commit 6edd1e0521277a680f0053308efcf3d9cacc8e62 Author: Eugene Burkov <e.burkov@adguard.com> Date: Mon Nov 23 14:03:36 2020 +0300 aghio: fix final inaccuracies commit 4dd382aaf25132b31eb269749a2cd36daf0cb792 Author: Eugene Burkov <e.burkov@adguard.com> Date: Mon Nov 23 13:59:10 2020 +0300 all: improve code quality commit 060f923f6023d0e6f26441559b7023d5e5f96843 Author: Eugene Burkov <e.burkov@adguard.com> Date: Mon Nov 23 13:10:57 2020 +0300 aghio: add validation to constructor commit f57a2f596f5dc578548241c315c68dce7fc93905 Author: Eugene Burkov <e.burkov@adguard.com> Date: Fri Nov 20 19:19:26 2020 +0300 all: fix minor inaccuracies commit 93462c71725d3d00655a4bd565b77e64451fff60 Author: Eugene Burkov <e.burkov@adguard.com> Date: Fri Nov 20 19:13:23 2020 +0300 home: make test name follow convention commit 4922986ad84481b054479c43b4133a1b97bee86b Merge: 1f5472abc 046ec13fd Author: Eugene Burkov <e.burkov@adguard.com> Date: Fri Nov 20 19:09:01 2020 +0300 Merge branch 'master' into 2305-limit-message-size commit 1f5472abcfa7427f389825fc59eb4253e1e2bfb7 Author: Eugene Burkov <e.burkov@adguard.com> Date: Fri Nov 20 19:08:21 2020 +0300 aghio: improve readability commit 60dc706b093fa22bbf62f13b2341934364ddc4df Author: Eugene Burkov <e.burkov@adguard.com> Date: Fri Nov 20 18:44:08 2020 +0300 home: cover middleware with test commit bedf436b947ca1fa4493af2fc94f1f40beec7c35 Author: Eugene Burkov <e.burkov@adguard.com> Date: Fri Nov 20 17:10:23 2020 +0300 aghio: improved error informativeness commit 682c5da9f21fa330fb3536bb1c112129c91b9990 Author: Eugene Burkov <e.burkov@adguard.com> Date: Fri Nov 20 13:37:51 2020 +0300 all: limit readers for ReadAll dealing with miscellanious data. commit 78c6dd8d90a0a43fe6ee3f9ed4d5fc637b15ba74 Author: Eugene Burkov <e.burkov@adguard.com> Date: Thu Nov 19 20:07:43 2020 +0300 all: handle ReadAll calls dealing with request's bodies. commit bfe1a6faf6468eb44515e2b0ecffa8c51f90b7e8 Author: Eugene Burkov <e.burkov@adguard.com> Date: Thu Nov 19 17:25:34 2020 +0300 home: add middlewares commit bbd1d491b318e6ba07f8af23ad546183383783a8 Merge: 7b77c2cad 62a8fe0b7 Author: Eugene Burkov <e.burkov@adguard.com> Date: Thu Nov 19 16:44:04 2020 +0300 Merge branch 'master' into 2305-limit-message-size commit 7b77c2cad03154177392460982e1d73ee2a30177 Author: Eugene Burkov <e.burkov@adguard.com> Date: Tue Nov 17 15:33:33 2020 +0300 aghio: create package
2020-11-23 11:14:08 +00:00
})
}