Merge pull request #115 from KingMob/url-decode-path-params

Add URL-decoding support for paths and params
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Tommi Reiman 2018-08-08 10:31:08 +03:00 committed by GitHub
commit cb0a6e1888
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4 changed files with 90 additions and 37 deletions

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@ -165,6 +165,23 @@
:compile (fn [[_ {:keys [handler]}] _] handler)
:conflicts (partial throw-on-conflicts! path-conflicts-str)})
(defn- linear-router-lookup-structs
"Returns a 2-item vec of lookup structures.
The first is a vec of Routes.
The second is a map of route names to lookup fns."
[compiled-routes]
(reduce
(fn [[pl nl] [p {:keys [name] :as data} result]]
(let [{:keys [path-params] :as route} (impl/create [p data result])
f #(if-let [path (impl/path-for route %)]
(->Match p data result % path)
(->PartialMatch p data result % path-params))]
[(conj pl route)
(if name (assoc nl name f) nl)]))
[[] {}]
compiled-routes))
(defn linear-router
"Creates a linear-router from resolved routes and optional
expanded options. See [[router]] for available options"
@ -172,15 +189,7 @@
(linear-router compiled-routes {}))
([compiled-routes opts]
(let [names (find-names compiled-routes opts)
[pl nl] (reduce
(fn [[pl nl] [p {:keys [name] :as data} result]]
(let [{:keys [path-params] :as route} (impl/create [p data result])
f #(if-let [path (impl/path-for route %)]
(->Match p data result % path)
(->PartialMatch p data result % path-params))]
[(conj pl route)
(if name (assoc nl name f) nl)]))
[[] {}] compiled-routes)
[pl nl] (linear-router-lookup-structs compiled-routes)
lookup (impl/fast-map nl)
routes (uncompile-routes compiled-routes)]
^{:type ::router}
@ -200,7 +209,7 @@
(reduce
(fn [_ ^Route route]
(if-let [path-params ((:matcher route) path)]
(reduced (->Match (:path route) (:data route) (:result route) path-params path))))
(reduced (->Match (:path route) (:data route) (:result route) (impl/url-decode-coll path-params) path))))
nil pl))
(match-by-name [_ name]
(if-let [match (impl/fast-get lookup name)]
@ -209,6 +218,21 @@
(if-let [match (impl/fast-get lookup name)]
(match (impl/path-params path-params))))))))
(defn- lookup-router-lookup-structs
"Returns a 2-item vec of lookup structures.
The first is a map of paths to Matches.
The second is a map of route names to Matches."
[compiled-routes]
(reduce
(fn [[pl nl] [p {:keys [name] :as data} result]]
[(assoc pl p (->Match p data result {} p))
(if name
(assoc nl name #(->Match p data result % p))
nl)])
[{} {}]
compiled-routes))
(defn lookup-router
"Creates a lookup-router from resolved routes and optional
expanded options. See [[router]] for available options"
@ -222,12 +246,7 @@
{:wilds wilds
:routes compiled-routes})))
(let [names (find-names compiled-routes opts)
[pl nl] (reduce
(fn [[pl nl] [p {:keys [name] :as data} result]]
[(assoc pl p (->Match p data result {} p))
(if name
(assoc nl name #(->Match p data result % p))
nl)]) [{} {}] compiled-routes)
[pl nl] (lookup-router-lookup-structs compiled-routes)
data (impl/fast-map pl)
lookup (impl/fast-map nl)
routes (uncompile-routes compiled-routes)]
@ -252,6 +271,23 @@
(if-let [match (impl/fast-get lookup name)]
(match (impl/path-params path-params))))))))
(defn- segment-router-lookup-structs
"Returns a 2-item vec of lookup structures.
The first is a prefix-tree of segments and associated Matches.
The second is a map of route names to Matches or PartialMatches."
[compiled-routes]
(reduce
(fn [[pl nl] [p {:keys [name] :as data} result]]
(let [{:keys [path-params] :as route} (impl/create [p data result])
f #(if-let [path (impl/path-for route %)]
(->Match p data result % path)
(->PartialMatch p data result % path-params))]
[(segment/insert pl p (->Match p data result nil nil))
(if name (assoc nl name f) nl)]))
[nil {}]
compiled-routes))
(defn segment-router
"Creates a special prefix-tree style segment router from resolved routes and optional
expanded options. See [[router]] for available options"
@ -259,15 +295,7 @@
(segment-router compiled-routes {}))
([compiled-routes opts]
(let [names (find-names compiled-routes opts)
[pl nl] (reduce
(fn [[pl nl] [p {:keys [name] :as data} result]]
(let [{:keys [path-params] :as route} (impl/create [p data result])
f #(if-let [path (impl/path-for route %)]
(->Match p data result % path)
(->PartialMatch p data result % path-params))]
[(segment/insert pl p (->Match p data result nil nil))
(if name (assoc nl name f) nl)]))
[nil {}] compiled-routes)
[pl nl] (segment-router-lookup-structs compiled-routes)
lookup (impl/fast-map nl)
routes (uncompile-routes compiled-routes)]
^{:type ::router}
@ -286,7 +314,7 @@
(match-by-path [_ path]
(if-let [match (segment/lookup pl path)]
(-> (:data match)
(assoc :path-params (:path-params match))
(assoc :path-params (impl/url-decode-coll (:path-params match)))
(assoc :path path))))
(match-by-name [_ name]
(if-let [match (impl/fast-get lookup name)]

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@ -19,6 +19,17 @@
(java.util HashMap Map)
(java.net URLEncoder URLDecoder))))
(defn map-kv
"Applies a function to every value of a map.
Also works on vectors. Maintains key for maps, order for vectors."
[f coll]
(reduce-kv
(fn [m k v]
(assoc m k (f v)))
(empty coll)
coll))
(defn wild? [s]
(contains? #{\: \*} (first (str s))))
@ -203,6 +214,11 @@
s)
:cljs (js/decodeURIComponent (str/replace s "+" " ")))))
(defn url-decode-coll
"URL-decodes maps and vectors"
[coll]
(map-kv url-decode coll))
(defprotocol IntoString
(into-string [_]))
@ -233,13 +249,9 @@
(into-string [_]))
(defn path-params
"shallow transform of the path parameters values into strings"
"Convert parameters' values into URL-encoded strings, suitable for URL paths"
[params]
(reduce-kv
(fn [m k v]
(assoc m k (url-encode (into-string v))))
{}
params))
(map-kv #(url-encode (into-string %)) params))
(defn query-string
"shallow transform of query parameters into query string"
@ -258,7 +270,7 @@
(goog/inherits ~type ~base-type)
~@(map
(fn [method]
`(set! (.. ~type -prototype ~(symbol (str "-" (first method))))
(fn ~@(rest method))))
methods)))
(fn [method]
`(set! (.. ~type -prototype ~(symbol (str "-" (first method))))
(fn ~@(rest method))))
methods)))

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@ -38,7 +38,7 @@
(segment children wilds catch-all match))))
(-lookup [_ [p & ps] path-params]
(if (nil? p)
(if match (assoc match :path-params path-params))
(when match (assoc match :path-params path-params))
(or (-lookup (impl/fast-get children' p) ps path-params)
(some #(-lookup (impl/fast-get children' %) ps (assoc path-params % p)) wilds)
(-catch-all children' catch-all path-params p ps))))))))

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@ -51,6 +51,19 @@
#"^missing path-params for route /api/ipa/:size -> \#\{:size\}$"
(r/match-by-name! router ::beer))))))
(testing "decode %-encoded path params"
(let [router (r/router [["/one-param-path/:param1"]
["/two-param-path/:param1/:param2"]
["/catchall/*remaining-path"]] {:router r})
decoded-params #(-> router (r/match-by-path %) :path-params)
decoded-param1 #(-> (decoded-params %) :param1)
decoded-remaining-path #(-> (decoded-params %) :remaining-path)]
(is (= "foo bar" (decoded-param1 "/one-param-path/foo%20bar")))
(is (= {:param1 "foo bar" :param2 "baz qux"} (decoded-params "/two-param-path/foo%20bar/baz%20qux")))
(is (= "foo bar" (decoded-remaining-path "/catchall/foo%20bar")))
(is (= "!#$&'()*+,/:;=?@[]"
(decoded-param1 "/one-param-path/%21%23%24%26%27%28%29%2A%2B%2C%2F%3A%3B%3D%3F%40%5B%5D")))))
(testing "complex"
(let [router (r/router
[["/:abba" ::abba]