Compare commits
13 Commits
v2024.6.24
...
v2024.6.26
Author | SHA1 | Date | |
---|---|---|---|
f092520ee4 | |||
9084b6e05f | |||
5494abded4 | |||
059af1b6ee | |||
532f30c155 | |||
49f2ccbc7a | |||
8a751afc97 | |||
4907c0b51f | |||
1881f27928 | |||
114608931b | |||
05b547da48 | |||
9d902a7494 | |||
ea68724635 |
@ -63,6 +63,9 @@ nfpms:
|
||||
- src: layers
|
||||
dst: /etc/bouncer/layers
|
||||
type: config
|
||||
- src: templates
|
||||
dst: /etc/bouncer/templates
|
||||
type: config
|
||||
- dst: /etc/bouncer/bootstrap.d
|
||||
type: dir
|
||||
file_info:
|
||||
|
@ -22,6 +22,7 @@ RUN make GORELEASER_ARGS='build --rm-dist --single-target --snapshot' goreleaser
|
||||
|
||||
# Patch config
|
||||
RUN /src/dist/bouncer_linux_amd64_v1/bouncer -c '' config dump > /src/dist/bouncer_linux_amd64_v1/config.yml \
|
||||
&& yq -i '.proxy.templates.dir = "/usr/share/bouncer/templates"' /src/dist/bouncer_linux_amd64_v1/config.yml \
|
||||
&& yq -i '.layers.queue.templateDir = "/usr/share/bouncer/layers/queue/templates"' /src/dist/bouncer_linux_amd64_v1/config.yml \
|
||||
&& yq -i '.layers.authn.templateDir = "/usr/share/bouncer/layers/authn/templates"' /src/dist/bouncer_linux_amd64_v1/config.yml \
|
||||
&& yq -i '.admin.auth.privateKey = "/etc/bouncer/admin-key.json"' /src/dist/bouncer_linux_amd64_v1/config.yml \
|
||||
@ -42,6 +43,7 @@ RUN mkdir -p /usr/local/bin /usr/share/bouncer/bin /etc/bouncer
|
||||
|
||||
COPY --from=BUILD /src/dist/bouncer_linux_amd64_v1/bouncer /usr/share/bouncer/bin/bouncer
|
||||
COPY --from=BUILD /src/layers /usr/share/bouncer/layers
|
||||
COPY --from=BUILD /src/templates /usr/share/bouncer/templates
|
||||
COPY --from=BUILD /src/dist/bouncer_linux_amd64_v1/config.yml /etc/bouncer/config.yml
|
||||
|
||||
RUN ln -s /usr/share/bouncer/bin/bouncer /usr/local/bin/bouncer
|
||||
|
11
README.md
11
README.md
@ -4,7 +4,16 @@
|
||||
|
||||
# Bouncer
|
||||
|
||||
Serveur mandataire inverse (_"reverse proxy"_) filtrant avec gestion de files d'attente dynamiques.
|
||||
Serveur mandataire inverse (_"reverse proxy"_) avec fonctionnalités avancées pilotable par API REST.
|
||||
|
||||
## Fonctionnalités
|
||||
|
||||
- Authentification unique basée sur entêtes HTTP ("Trusted headers SSO") avec:
|
||||
- Fournisseur d'identité OpenID Connect ;
|
||||
- Basic Auth ;
|
||||
- Origine réseau ;
|
||||
- Gestion de files d'attente dynamiques pour maîtriser la charge sur les services protégés ;
|
||||
- Réécriture dynamique des attributs (notamment entêtes HTTP) des requêtes/réponses via un DSL.
|
||||
|
||||
## Documentation
|
||||
|
||||
|
@ -1,7 +1,8 @@
|
||||
# Documentation
|
||||
|
||||
- [(FR) - Premiers pas](./fr/getting-started.md)
|
||||
- [(FR) - Architecture générale](./fr/general-architecture.md)
|
||||
- [(FR) - Terminologie](./fr/terminology.md)
|
||||
- [(FR) - Premiers pas](./fr/getting-started.md)
|
||||
|
||||
## Exemples
|
||||
|
||||
|
@ -2,31 +2,6 @@
|
||||
|
||||
## Modèles de déploiement
|
||||
|
||||
### Déploiement mono-noeud
|
||||
### Mode mono-noeud
|
||||
|
||||

|
||||
|
||||
## Terminologie
|
||||
|
||||
Voici une liste des termes utilisés dans le lexique Bouncer.
|
||||
|
||||
### Proxy
|
||||
|
||||
Un "proxy" est une entité logique définissant le relation suivante:
|
||||
|
||||
- Un ou plusieurs patrons de filtrage sous la forme d'un patron d'URL avec le caractère `*` comme caractère générique. Ceux ci identifient le ou les domaines/chemins associés à l'entité;
|
||||
- Une URL cible qui servira de base pour la réécriture des requêtes.
|
||||
|
||||
Un "proxy" peut avoir zéro ou plusieurs "layers" associés.
|
||||
|
||||
Un "proxy" peut être activé ou désactivé.
|
||||
|
||||
Un "proxy" a un poids qui définit son niveau de priorité dans la pile de traitement (plus son poids est élevé plus il est prioritaire).
|
||||
|
||||
### Layer
|
||||
|
||||
Un "layer" (calque) est une entité logique définissant un traitement à appliquer aux requêtes et/ou aux réponses transitant par un proxy.
|
||||
|
||||
Un "layer" peut être activé ou désactivé.
|
||||
|
||||
Un "layer" a un poids qui définit son niveau de priorité dans la pile de traitement (plus son poids est élevé plus il est prioritaire).
|
||||

|
||||
|
@ -4,3 +4,4 @@ Vous trouverez ci-dessous la liste des entités "Layer" activables sur vos entit
|
||||
|
||||
- [Authn (`authn-*`)](./authn/README.md) - Authentification des accès (SSO)
|
||||
- [Queue](./queue.md) - File d'attente dynamique
|
||||
- [Rewriter](./rewriter.md) - Réécriture dynamiques des attributs des requêtes/réponses
|
||||
|
@ -36,16 +36,28 @@ Le comportement des règles par défaut est le suivant:
|
||||
|
||||
Interdire l'accès à l'utilisateur.
|
||||
|
||||
#### `set_header(name string, value string)`
|
||||
##### `add_header(name string, value string)`
|
||||
|
||||
Définir la valeur d'une entête HTTP via son nom `name` et sa valeur `value`.
|
||||
Ajouter une valeur à un entête HTTP via son nom `name` et sa valeur `value`.
|
||||
|
||||
#### `del_headers(pattern string)`
|
||||
##### `set_header(name string, value string)`
|
||||
|
||||
Définir la valeur d'un entête HTTP via son nom `name` et sa valeur `value`. La valeur précédente est écrasée.
|
||||
|
||||
##### `del_headers(pattern string)`
|
||||
|
||||
Supprimer un ou plusieurs entêtes HTTP dont le nom correspond au patron `pattern`.
|
||||
|
||||
Le patron est défini par une chaîne comprenant un ou plusieurs caractères `*`, signifiant un ou plusieurs caractères arbitraires.
|
||||
|
||||
##### `set_host(host string)`
|
||||
|
||||
Modifier la valeur de l'entête `Host` de la requête.
|
||||
|
||||
##### `set_url(url string)`
|
||||
|
||||
Modifier l'URL du serveur cible.
|
||||
|
||||
### Environnement
|
||||
|
||||
Les règles ont accès aux variables suivantes pendant leur exécution.
|
||||
|
116
doc/fr/references/layers/rewriter.md
Normal file
116
doc/fr/references/layers/rewriter.md
Normal file
@ -0,0 +1,116 @@
|
||||
# Layer "Rewriter"
|
||||
|
||||
## Description
|
||||
|
||||
Ce layer permet de modifier dynamiquement certains attributs de requêtes/réponses transitant par le proxy.
|
||||
|
||||
## Type
|
||||
|
||||
`rewriter`
|
||||
|
||||
## Schéma des options
|
||||
|
||||
Les options disponibles pour le layer sont décrites via un [schéma JSON](https://json-schema.org/specification). Elles sont documentées dans le [schéma visible ici](../../../../internal/proxy/director/layer/rewriter/layer-options.json).
|
||||
|
||||
## Moteur de règles
|
||||
|
||||
Les options `rules.request` et `rules.response` permettent de définir des listes de règles utilisant un DSL modifiant de manière dynamique les attributs des requêtes/réponses transitant par le proxy.
|
||||
|
||||
Les listes d'instructions sont exécutées séquentiellement.
|
||||
|
||||
Bouncer utilise le projet [`expr`](https://expr-lang.org/) comme DSL. En plus des fonctionnalités natives du langage, Bouncer ajoute un certain nombre de fonctions spécifiques au contexte d'utilisation.
|
||||
|
||||
### Fonctions
|
||||
|
||||
#### Communes
|
||||
|
||||
##### `add_header(name string, value string)`
|
||||
|
||||
Ajouter une valeur à un entête HTTP via son nom `name` et sa valeur `value`.
|
||||
|
||||
##### `set_header(name string, value string)`
|
||||
|
||||
Définir la valeur d'un entête HTTP via son nom `name` et sa valeur `value`. La valeur précédente est écrasée.
|
||||
|
||||
##### `del_headers(pattern string)`
|
||||
|
||||
Supprimer un ou plusieurs entêtes HTTP dont le nom correspond au patron `pattern`.
|
||||
|
||||
Le patron est défini par une chaîne comprenant un ou plusieurs caractères `*`, signifiant un ou plusieurs caractères arbitraires.
|
||||
|
||||
#### Requête
|
||||
|
||||
##### `set_host(host string)`
|
||||
|
||||
Modifier la valeur de l'entête `Host` de la requête.
|
||||
|
||||
##### `set_url(url string)`
|
||||
|
||||
Modifier l'URL du serveur cible.
|
||||
|
||||
#### Réponse
|
||||
|
||||
_Pas de fonctions spécifiques._
|
||||
|
||||
### Environnement
|
||||
|
||||
Les règles ont accès aux variables suivantes pendant leur exécution. **Ces données sont en lecture seule.**
|
||||
|
||||
#### Requête
|
||||
|
||||
##### `request`
|
||||
|
||||
La requête en cours de traitement.
|
||||
|
||||
```js
|
||||
{
|
||||
method: "string", // Méthode HTTP
|
||||
host: "string", // Nom d'hôte (`Host`) associé à la requête
|
||||
url: "string", // URL associée à la requête
|
||||
proto: "string", // Numéro de version du protocole utilisé
|
||||
protoMajor: "int", // Numéro de version majeure du protocole utilisé
|
||||
protoMinor: "int", // Numéro de version mineur du protocole utilisé
|
||||
header: { // Table associative des entêtes HTTP associés à la requête
|
||||
"string": ["string"]
|
||||
},
|
||||
contentLength: "int", // Taille du corps de la requête
|
||||
transferEncoding: ["string"], // MIME-Type(s) d'encodage du corps de la requête
|
||||
trailer: { // Table associative des entêtes HTTP associés à la requête, transmises après le corps de la requête
|
||||
"string": ["string"]
|
||||
},
|
||||
remoteAddr: "string", // Adresse du client HTTP à l'origine de la requête
|
||||
requestUri: "string" // URL "brute" associée à la requêtes (avant opérations d'assainissement, utiliser "url" plutôt)
|
||||
}
|
||||
```
|
||||
|
||||
#### Réponse
|
||||
|
||||
##### `response`
|
||||
|
||||
La réponse en cours de traitement.
|
||||
|
||||
```js
|
||||
{
|
||||
statusCode: "int", // Code de statut de la réponse
|
||||
status: "string", // Message associé au code de statut
|
||||
proto: "string", // Numéro de version du protocole utilisé
|
||||
protoMajor: "int", // Numéro de version majeure du protocole utilisé
|
||||
protoMinor: "int", // Numéro de version mineur du protocole utilisé
|
||||
header: { // Table associative des entêtes HTTP associés à la requête
|
||||
"string": ["string"]
|
||||
},
|
||||
contentLength: "int", // Taille du corps de la réponse
|
||||
transferEncoding: ["string"], // MIME-Type(s) d'encodage du corps de la requête
|
||||
trailer: { // Table associative des entêtes HTTP associés à la requête, transmises après le corps de la requête
|
||||
"string": ["string"]
|
||||
},
|
||||
}
|
||||
```
|
||||
|
||||
##### `request`
|
||||
|
||||
_Voir section précédente._
|
||||
|
||||
## Métriques
|
||||
|
||||
_Pas de métriques spécifiques._
|
29
doc/fr/terminology.md
Normal file
29
doc/fr/terminology.md
Normal file
@ -0,0 +1,29 @@
|
||||
# Terminologie
|
||||
|
||||
Voici une liste des termes utilisés dans le lexique Bouncer.
|
||||
|
||||
## Proxy
|
||||
|
||||
Un proxy est une entité logique définie par les propriétés suivantes:
|
||||
|
||||
- Il possède **un ou plusieurs filtres d'origine** sous la forme de motifs d'URL avec le caractère `*` comme joker. Ces filtres identifient le ou les URLs associées au proxy.
|
||||
- Il peut avoir **zéro ou une URL cible**, qui servira de base pour la réécriture des requêtes. Si l'URL est absente, on parle alors de "passthrough" (voir note).
|
||||
- Il peut avoir **zéro ou plusieurs "layers" associés**.
|
||||
- Il peut être **activé ou désactivé**.
|
||||
- Il a **un poids qui définit son niveau de priorité** dans la pile de traitement (plus son poids est élevé plus il est prioritaire).
|
||||
|
||||
Pour résumer un proxy répond à la question "_Quelle URL orienter vers quel serveur cible ?_".
|
||||
|
||||
> **Passthrough**
|
||||
>
|
||||
> Un proxy "passthrough" est un proxy n'ayant pas d'URL cible (champ vide). Dans ce cas si les motifs d'URLs correspondent à l'URL de la requête Bouncer appliquera les layers associés puis passera la main aux proxies suivants.
|
||||
|
||||
## Layer
|
||||
|
||||
Un layer est une entité logique définie par les propriétés suivantes:
|
||||
|
||||
- Il a **un type auquel est associé un schéma d'options** permettant de configurer son comportement.
|
||||
- Il peut être **activé ou désactivé**.
|
||||
- Il a **un poids qui définit son niveau de priorité** dans la pile de traitement (plus son poids est élevé plus il est prioritaire).
|
||||
|
||||
Pour résumer un layer répond à la question "_Quel traitement appliquer à la requête et/ou réponse ?_".
|
@ -10,13 +10,13 @@ Avoir un environnement de développement local fonctionnel. Voir tutoriel ["Dém
|
||||
|
||||
### Préparer la structure de base du nouveau layer
|
||||
|
||||
Une implémetation d'un layer se compose majoritairement de 3 éléments:
|
||||
Une implémentation d'un layer se compose majoritairement de 3 éléments:
|
||||
|
||||
- Une structure qui implémente une ou plusieurs interfaces (`director.MiddlewareLayer`, `director.RequestTransformerLayer` et/ou `director.ResponseTransformerLayer`);
|
||||
- Un schéma au format [JSON Schema](http://json-schema.org/) qui permettra de valider les "options" de notre layer;
|
||||
- Un fichier d'amorçage qui permettra à Bouncer de référencer notre nouveau layer.
|
||||
|
||||
1. Créer le répertoire du `package` Go qui contiendra le code de votre layer. Celui ci s'appelera `basicauth`:
|
||||
1. Créer le répertoire du `package` Go qui contiendra le code de votre layer. Celui ci s’appellera `basicauth`:
|
||||
|
||||
```
|
||||
mkdir -p internal/proxy/director/layer/basicauth
|
||||
@ -133,26 +133,22 @@ Une implémetation d'un layer se compose majoritairement de 3 éléments:
|
||||
|
||||
## Tester l'intégration de notre nouveau layer
|
||||
|
||||
À ce stade, notre nouveau layer est normalement référencé et donc "utilisable" dans Bouncer (si on omet le fait qu'il déclenchera une `panic()`).
|
||||
À ce stade, notre nouveau layer est normalement référencé et donc "utilisable" dans Bouncer (si on omet le fait qu'il déclenchera un `panic()`).
|
||||
|
||||
1. Vérifier que notre layer est bien référencé en exécutant la commande:
|
||||
|
||||
```
|
||||
./bin/bouncer admin layer create --help
|
||||
./bin/bouncer admin definition layer query --with-type basicauth
|
||||
```
|
||||
|
||||
La sortie devrait ressembler à:
|
||||
|
||||
```
|
||||
NAME:
|
||||
bouncer admin layer create - Create layer
|
||||
|
||||
USAGE:
|
||||
bouncer admin layer create [command options] [arguments...]
|
||||
|
||||
OPTIONS:
|
||||
--layer-type LAYER_TYPE Set LAYER_TYPE as layer's type (available: [basicauth queue])
|
||||
[...]
|
||||
+-----------+-----------------------------------+
|
||||
| TYPE | OPTIONS |
|
||||
+-----------+-----------------------------------+
|
||||
| basicauth | {"type":"object","properties":... |
|
||||
+-----------+-----------------------------------+
|
||||
```
|
||||
|
||||
Comme vous devriez le voir nous pouvons désormais créer des layers de type `basicauth`.
|
||||
|
Before Width: | Height: | Size: 35 KiB After Width: | Height: | Size: 35 KiB |
2
go.mod
2
go.mod
@ -5,7 +5,7 @@ go 1.21
|
||||
toolchain go1.22.0
|
||||
|
||||
require (
|
||||
forge.cadoles.com/Cadoles/go-proxy v0.0.0-20230701194111-c6b3d482cca6
|
||||
forge.cadoles.com/Cadoles/go-proxy v0.0.0-20240626132607-e1db6466a926
|
||||
github.com/Masterminds/sprig/v3 v3.2.3
|
||||
github.com/bsm/redislock v0.9.4
|
||||
github.com/btcsuite/btcd/btcutil v1.1.3
|
||||
|
4
go.sum
4
go.sum
@ -8,8 +8,8 @@ cloud.google.com/go/logging v1.7.0 h1:CJYxlNNNNAMkHp9em/YEXcfJg+rPDg7YfwoRpMU+t5
|
||||
cloud.google.com/go/logging v1.7.0/go.mod h1:3xjP2CjkM3ZkO73aj4ASA5wRPGGCRrPIAeNqVNkzY8M=
|
||||
cloud.google.com/go/longrunning v0.5.1 h1:Fr7TXftcqTudoyRJa113hyaqlGdiBQkp0Gq7tErFDWI=
|
||||
cloud.google.com/go/longrunning v0.5.1/go.mod h1:spvimkwdz6SPWKEt/XBij79E9fiTkHSQl/fRUUQJYJc=
|
||||
forge.cadoles.com/Cadoles/go-proxy v0.0.0-20230701194111-c6b3d482cca6 h1:FTk0ZoaV5N8Tkps5Da5RrDMZZXSHZIuD67Hy1Y4fsos=
|
||||
forge.cadoles.com/Cadoles/go-proxy v0.0.0-20230701194111-c6b3d482cca6/go.mod h1:o8ZK5v/3J1dRmklFVn1l6WHAyQ3LgegyHjRIT8KLAFw=
|
||||
forge.cadoles.com/Cadoles/go-proxy v0.0.0-20240626132607-e1db6466a926 h1:gSTTuW2lqH66cGVrhplrVrqos62BY1/GxR3KYh2TElk=
|
||||
forge.cadoles.com/Cadoles/go-proxy v0.0.0-20240626132607-e1db6466a926/go.mod h1:o8ZK5v/3J1dRmklFVn1l6WHAyQ3LgegyHjRIT8KLAFw=
|
||||
github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1 h1:UQHMgLO+TxOElx5B5HZ4hJQsoJ/PvUvKRhJHDQXO8P8=
|
||||
github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1/go.mod h1:xomTg63KZ2rFqZQzSB4Vz2SUXa1BpHTVz9L5PTmPC4E=
|
||||
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
|
||||
|
@ -121,7 +121,7 @@ func (s *Server) deleteProxy(w http.ResponseWriter, r *http.Request) {
|
||||
|
||||
type CreateProxyRequest struct {
|
||||
Name string `json:"name" validate:"required"`
|
||||
To string `json:"to" validate:"required"`
|
||||
To string `json:"to"`
|
||||
From []string `json:"from" validate:"required"`
|
||||
}
|
||||
|
||||
|
@ -2,6 +2,7 @@ package layer
|
||||
|
||||
import (
|
||||
"os"
|
||||
"slices"
|
||||
|
||||
"forge.cadoles.com/cadoles/bouncer/internal/client"
|
||||
"forge.cadoles.com/cadoles/bouncer/internal/command/admin/apierr"
|
||||
@ -52,14 +53,16 @@ func QueryCommand() *cli.Command {
|
||||
|
||||
client := client.New(baseFlags.ServerURL, client.WithToken(token))
|
||||
|
||||
proxies, err := client.QueryLayer(ctx.Context, proxyName, options...)
|
||||
layers, err := client.QueryLayer(ctx.Context, proxyName, options...)
|
||||
if err != nil {
|
||||
return errors.WithStack(apierr.Wrap(err))
|
||||
}
|
||||
|
||||
slices.SortFunc(layers, sortLayerssByWeight)
|
||||
|
||||
hints := layerHeaderHints(baseFlags.OutputMode)
|
||||
|
||||
if err := format.Write(baseFlags.Format, os.Stdout, hints, clientFlag.AsAnySlice(proxies)...); err != nil {
|
||||
if err := format.Write(baseFlags.Format, os.Stdout, hints, clientFlag.AsAnySlice(layers)...); err != nil {
|
||||
return errors.WithStack(err)
|
||||
}
|
||||
|
||||
@ -67,3 +70,13 @@ func QueryCommand() *cli.Command {
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
func sortLayerssByWeight(a *store.LayerHeader, b *store.LayerHeader) int {
|
||||
if a.Weight < b.Weight {
|
||||
return 1
|
||||
}
|
||||
if a.Weight > b.Weight {
|
||||
return -1
|
||||
}
|
||||
return 0
|
||||
}
|
||||
|
@ -19,7 +19,7 @@ func CreateCommand() *cli.Command {
|
||||
Name: "create",
|
||||
Usage: "Create proxy",
|
||||
Flags: proxyFlag.WithProxyFlags(
|
||||
flag.ProxyTo(true),
|
||||
flag.ProxyTo(),
|
||||
flag.ProxyFrom(),
|
||||
),
|
||||
Action: func(ctx *cli.Context) error {
|
||||
|
@ -30,12 +30,11 @@ func ProxyName() cli.Flag {
|
||||
|
||||
const KeyProxyTo = "proxy-to"
|
||||
|
||||
func ProxyTo(required bool) cli.Flag {
|
||||
func ProxyTo() cli.Flag {
|
||||
return &cli.StringFlag{
|
||||
Name: KeyProxyTo,
|
||||
Usage: "Set `PROXY_TO` as proxy's destination url",
|
||||
Value: "",
|
||||
Required: required,
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -2,6 +2,7 @@ package proxy
|
||||
|
||||
import (
|
||||
"os"
|
||||
"slices"
|
||||
|
||||
"forge.cadoles.com/cadoles/bouncer/internal/client"
|
||||
"forge.cadoles.com/cadoles/bouncer/internal/command/admin/apierr"
|
||||
@ -51,6 +52,8 @@ func QueryCommand() *cli.Command {
|
||||
return errors.WithStack(apierr.Wrap(err))
|
||||
}
|
||||
|
||||
slices.SortFunc(proxies, sortProxiesByWeight)
|
||||
|
||||
hints := proxyHeaderHints(baseFlags.OutputMode)
|
||||
|
||||
if err := format.Write(baseFlags.Format, os.Stdout, hints, clientFlag.AsAnySlice(proxies)...); err != nil {
|
||||
@ -61,3 +64,13 @@ func QueryCommand() *cli.Command {
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
func sortProxiesByWeight(a *store.ProxyHeader, b *store.ProxyHeader) int {
|
||||
if a.Weight < b.Weight {
|
||||
return 1
|
||||
}
|
||||
if a.Weight > b.Weight {
|
||||
return -1
|
||||
}
|
||||
return 0
|
||||
}
|
||||
|
@ -19,7 +19,7 @@ func UpdateCommand() *cli.Command {
|
||||
Name: "update",
|
||||
Usage: "Update proxy",
|
||||
Flags: proxyFlag.WithProxyFlags(
|
||||
flag.ProxyTo(false),
|
||||
flag.ProxyTo(),
|
||||
flag.ProxyFrom(),
|
||||
flag.ProxyEnabled(),
|
||||
flag.ProxyWeight(),
|
||||
|
@ -7,22 +7,26 @@ import (
|
||||
)
|
||||
|
||||
type ProxyServerConfig struct {
|
||||
Debug InterpolatedBool `yaml:"debug"`
|
||||
HTTP HTTPConfig `yaml:"http"`
|
||||
Metrics MetricsConfig `yaml:"metrics"`
|
||||
Transport TransportConfig `yaml:"transport"`
|
||||
Dial DialConfig `yaml:"dial"`
|
||||
Sentry SentryConfig `yaml:"sentry"`
|
||||
Cache CacheConfig `yaml:"cache"`
|
||||
Templates TemplatesConfig `yaml:"templates"`
|
||||
}
|
||||
|
||||
func NewDefaultProxyServerConfig() ProxyServerConfig {
|
||||
return ProxyServerConfig{
|
||||
Debug: false,
|
||||
HTTP: NewHTTPConfig("0.0.0.0", 8080),
|
||||
Metrics: NewDefaultMetricsConfig(),
|
||||
Transport: NewDefaultTransportConfig(),
|
||||
Dial: NewDefaultDialConfig(),
|
||||
Sentry: NewDefaultSentryConfig(),
|
||||
Cache: NewDefaultCacheConfig(),
|
||||
Templates: NewDefaultTemplatesConfig(),
|
||||
}
|
||||
}
|
||||
|
||||
@ -115,3 +119,13 @@ func NewDefaultCacheConfig() CacheConfig {
|
||||
TTL: *NewInterpolatedDuration(time.Second * 30),
|
||||
}
|
||||
}
|
||||
|
||||
type TemplatesConfig struct {
|
||||
Dir InterpolatedString `yaml:"dir"`
|
||||
}
|
||||
|
||||
func NewDefaultTemplatesConfig() TemplatesConfig {
|
||||
return TemplatesConfig{
|
||||
Dir: "./templates",
|
||||
}
|
||||
}
|
||||
|
@ -34,19 +34,6 @@ func OriginalURL(ctx context.Context) (*url.URL, error) {
|
||||
return url, nil
|
||||
}
|
||||
|
||||
func withProxy(ctx context.Context, proxy *store.Proxy) context.Context {
|
||||
return context.WithValue(ctx, contextKeyProxy, proxy)
|
||||
}
|
||||
|
||||
func ctxProxy(ctx context.Context) (*store.Proxy, error) {
|
||||
proxy, err := ctxValue[*store.Proxy](ctx, contextKeyProxy)
|
||||
if err != nil {
|
||||
return nil, errors.WithStack(err)
|
||||
}
|
||||
|
||||
return proxy, nil
|
||||
}
|
||||
|
||||
func withLayers(ctx context.Context, layers []*store.Layer) context.Context {
|
||||
return context.WithValue(ctx, contextKeyLayers, layers)
|
||||
}
|
||||
|
@ -36,15 +36,15 @@ func (d *Director) rewriteRequest(r *http.Request) (*http.Request, error) {
|
||||
ctx = withOriginalURL(ctx, url)
|
||||
ctx = logger.With(ctx, logger.F("url", url.String()))
|
||||
|
||||
var match *store.Proxy
|
||||
layers := make([]*store.Layer, 0)
|
||||
|
||||
MAIN:
|
||||
for _, p := range proxies {
|
||||
for _, from := range p.From {
|
||||
logger.Debug(
|
||||
ctx, "matching request with proxy's from",
|
||||
logger.F("from", from),
|
||||
)
|
||||
|
||||
if matches := wildcard.Match(url.String(), from); !matches {
|
||||
continue
|
||||
}
|
||||
@ -54,16 +54,26 @@ MAIN:
|
||||
logger.F("from", from),
|
||||
)
|
||||
|
||||
match = p
|
||||
break MAIN
|
||||
}
|
||||
ctx = logger.With(ctx,
|
||||
logger.F("proxy", p.Name),
|
||||
logger.F("host", r.Host),
|
||||
logger.F("remoteAddr", r.RemoteAddr),
|
||||
)
|
||||
|
||||
metricProxyRequestsTotal.With(prometheus.Labels{metricLabelProxy: string(p.Name)}).Add(1)
|
||||
|
||||
proxyLayers, err := d.getLayers(ctx, p.Name)
|
||||
if err != nil {
|
||||
return r, errors.WithStack(err)
|
||||
}
|
||||
|
||||
if match == nil {
|
||||
return r, nil
|
||||
layers = append(layers, proxyLayers...)
|
||||
|
||||
if p.To == "" {
|
||||
continue
|
||||
}
|
||||
|
||||
toURL, err := url.Parse(match.To)
|
||||
toURL, err := url.Parse(p.To)
|
||||
if err != nil {
|
||||
return r, errors.WithStack(err)
|
||||
}
|
||||
@ -72,24 +82,11 @@ MAIN:
|
||||
r.URL.Scheme = toURL.Scheme
|
||||
r.URL.Path = toURL.JoinPath(r.URL.Path).Path
|
||||
|
||||
ctx = logger.With(ctx,
|
||||
logger.F("proxy", match.Name),
|
||||
logger.F("host", r.Host),
|
||||
logger.F("remoteAddr", r.RemoteAddr),
|
||||
)
|
||||
ctx = withLayers(ctx, layers)
|
||||
r = r.WithContext(ctx)
|
||||
|
||||
logger.Debug(
|
||||
ctx, "rewritten url",
|
||||
logger.F("rewrittenURL", r.URL.String()),
|
||||
)
|
||||
|
||||
metricProxyRequestsTotal.With(prometheus.Labels{metricLabelProxy: string(match.Name)}).Add(1)
|
||||
|
||||
ctx = withProxy(ctx, match)
|
||||
|
||||
layers, err := d.getLayers(ctx, match.Name)
|
||||
if err != nil {
|
||||
return r, errors.WithStack(err)
|
||||
return r, nil
|
||||
}
|
||||
}
|
||||
|
||||
ctx = withLayers(ctx, layers)
|
||||
|
@ -1,70 +1,16 @@
|
||||
package authn
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"net/http"
|
||||
"strconv"
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
"forge.cadoles.com/Cadoles/go-proxy/wildcard"
|
||||
"forge.cadoles.com/cadoles/bouncer/internal/rule"
|
||||
ruleHTTP "forge.cadoles.com/cadoles/bouncer/internal/rule/http"
|
||||
"github.com/expr-lang/expr"
|
||||
"github.com/pkg/errors"
|
||||
)
|
||||
|
||||
func (l *Layer) getHeaderRuleOptions(r *http.Request) []expr.Option {
|
||||
options := make([]expr.Option, 0)
|
||||
|
||||
setHeader := expr.Function(
|
||||
"set_header",
|
||||
func(params ...any) (any, error) {
|
||||
name := params[0].(string)
|
||||
rawValue := params[1]
|
||||
|
||||
var value string
|
||||
switch v := rawValue.(type) {
|
||||
case []string:
|
||||
value = strings.Join(v, ",")
|
||||
case time.Time:
|
||||
value = strconv.FormatInt(v.UTC().Unix(), 10)
|
||||
case time.Duration:
|
||||
value = strconv.FormatInt(int64(v.Seconds()), 10)
|
||||
default:
|
||||
value = fmt.Sprintf("%v", rawValue)
|
||||
}
|
||||
|
||||
r.Header.Set(name, value)
|
||||
|
||||
return true, nil
|
||||
},
|
||||
new(func(string, string) bool),
|
||||
)
|
||||
|
||||
options = append(options, setHeader)
|
||||
|
||||
delHeaders := expr.Function(
|
||||
"del_headers",
|
||||
func(params ...any) (any, error) {
|
||||
pattern := params[0].(string)
|
||||
deleted := false
|
||||
|
||||
for key := range r.Header {
|
||||
if !wildcard.Match(key, pattern) {
|
||||
continue
|
||||
}
|
||||
|
||||
r.Header.Del(key)
|
||||
deleted = true
|
||||
}
|
||||
|
||||
return deleted, nil
|
||||
},
|
||||
new(func(string) bool),
|
||||
)
|
||||
|
||||
options = append(options, delHeaders)
|
||||
|
||||
return options
|
||||
type Env struct {
|
||||
User *User `expr:"user"`
|
||||
}
|
||||
|
||||
func (l *Layer) applyRules(r *http.Request, options *LayerOptions, user *User) error {
|
||||
@ -73,38 +19,39 @@ func (l *Layer) applyRules(r *http.Request, options *LayerOptions, user *User) e
|
||||
return nil
|
||||
}
|
||||
|
||||
env := map[string]any{
|
||||
"user": user,
|
||||
}
|
||||
|
||||
rulesOptions := l.getHeaderRuleOptions(r)
|
||||
|
||||
var ruleErr error
|
||||
forbidden := expr.Function(
|
||||
"forbidden",
|
||||
func(params ...any) (any, error) {
|
||||
ruleErr = errors.WithStack(ErrForbidden)
|
||||
return true, nil
|
||||
},
|
||||
new(func() bool),
|
||||
engine, err := rule.NewEngine[*Env](
|
||||
rule.WithRules(options.Rules...),
|
||||
rule.WithExpr(getAuthnAPI()...),
|
||||
ruleHTTP.WithRequestFuncs(r),
|
||||
)
|
||||
|
||||
rulesOptions = append(rulesOptions, forbidden)
|
||||
|
||||
for i, r := range rules {
|
||||
program, err := expr.Compile(r, rulesOptions...)
|
||||
if err != nil {
|
||||
return errors.Wrapf(err, "could not compile rule #%d", i)
|
||||
return errors.WithStack(err)
|
||||
}
|
||||
|
||||
if _, err := expr.Run(program, env); err != nil {
|
||||
return errors.Wrapf(err, "could not execute rule #%d", i)
|
||||
env := &Env{
|
||||
User: user,
|
||||
}
|
||||
|
||||
if ruleErr != nil {
|
||||
return errors.WithStack(ruleErr)
|
||||
}
|
||||
if _, err := engine.Apply(env); err != nil {
|
||||
return errors.WithStack(err)
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func getAuthnAPI() []expr.Option {
|
||||
options := make([]expr.Option, 0)
|
||||
|
||||
// forbidden() allows the layer to hijack the current request and return a 403 Forbidden HTTP status
|
||||
forbidden := expr.Function(
|
||||
"forbidden",
|
||||
func(params ...any) (any, error) {
|
||||
return true, errors.WithStack(ErrForbidden)
|
||||
},
|
||||
new(func() bool),
|
||||
)
|
||||
|
||||
options = append(options, forbidden)
|
||||
|
||||
return options
|
||||
}
|
||||
|
38
internal/proxy/director/layer/rewriter/layer-options.json
Normal file
38
internal/proxy/director/layer/rewriter/layer-options.json
Normal file
@ -0,0 +1,38 @@
|
||||
{
|
||||
"type": "object",
|
||||
"properties": {
|
||||
"rules": {
|
||||
"title": "Règles appliquées aux requêtes/réponses transitant par le proxy",
|
||||
"type": "object",
|
||||
"properties": {
|
||||
"request": {
|
||||
"title": "Règles appliquées aux requêtes transitant par le proxy",
|
||||
"type": "array",
|
||||
"items": {
|
||||
"type": "string"
|
||||
}
|
||||
},
|
||||
"response": {
|
||||
"title": "Règles appliquées aux réponses transitant par le proxy",
|
||||
"type": "array",
|
||||
"items": {
|
||||
"type": "string"
|
||||
}
|
||||
}
|
||||
},
|
||||
"additionalProperties": false
|
||||
},
|
||||
"matchURLs": {
|
||||
"title": "Liste de filtrage des URLs sur lesquelles le layer est actif",
|
||||
"description": "Par exemple, si vous souhaitez limiter votre layer à l'ensemble d'une section '`/blog`' d'un site, vous pouvez déclarer la valeur `['*/blog*']`. Les autres URLs du site ne seront pas affectées par ce layer.",
|
||||
"default": [
|
||||
"*"
|
||||
],
|
||||
"type": "array",
|
||||
"items": {
|
||||
"type": "string"
|
||||
}
|
||||
}
|
||||
},
|
||||
"additionalProperties": false
|
||||
}
|
84
internal/proxy/director/layer/rewriter/layer.go
Normal file
84
internal/proxy/director/layer/rewriter/layer.go
Normal file
@ -0,0 +1,84 @@
|
||||
package rewriter
|
||||
|
||||
import (
|
||||
"net/http"
|
||||
|
||||
proxy "forge.cadoles.com/Cadoles/go-proxy"
|
||||
"forge.cadoles.com/Cadoles/go-proxy/wildcard"
|
||||
"forge.cadoles.com/cadoles/bouncer/internal/proxy/director"
|
||||
"forge.cadoles.com/cadoles/bouncer/internal/store"
|
||||
"github.com/pkg/errors"
|
||||
"gitlab.com/wpetit/goweb/logger"
|
||||
)
|
||||
|
||||
const LayerType store.LayerType = "rewriter"
|
||||
|
||||
type Layer struct{}
|
||||
|
||||
func (l *Layer) LayerType() store.LayerType {
|
||||
return LayerType
|
||||
}
|
||||
|
||||
func (l *Layer) Middleware(layer *store.Layer) proxy.Middleware {
|
||||
return func(next http.Handler) http.Handler {
|
||||
fn := func(w http.ResponseWriter, r *http.Request) {
|
||||
ctx := r.Context()
|
||||
|
||||
options, err := fromStoreOptions(layer.Options)
|
||||
if err != nil {
|
||||
logger.Error(ctx, "could not parse layer options", logger.E(errors.WithStack(err)))
|
||||
http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
matches := wildcard.MatchAny(r.URL.String(), options.MatchURLs...)
|
||||
if !matches {
|
||||
next.ServeHTTP(w, r)
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
if err := l.applyRequestRules(r, options); err != nil {
|
||||
logger.Error(ctx, "could not apply request rules", logger.E(errors.WithStack(err)))
|
||||
http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
next.ServeHTTP(w, r)
|
||||
}
|
||||
|
||||
return http.HandlerFunc(fn)
|
||||
}
|
||||
}
|
||||
|
||||
// ResponseTransformer implements director.ResponseTransformerLayer.
|
||||
func (l *Layer) ResponseTransformer(layer *store.Layer) proxy.ResponseTransformer {
|
||||
return func(r *http.Response) error {
|
||||
options, err := fromStoreOptions(layer.Options)
|
||||
if err != nil {
|
||||
return errors.WithStack(err)
|
||||
}
|
||||
|
||||
matches := wildcard.MatchAny(r.Request.URL.String(), options.MatchURLs...)
|
||||
if !matches {
|
||||
return nil
|
||||
}
|
||||
|
||||
if err := l.applyResponseRules(r, options); err != nil {
|
||||
return errors.WithStack(err)
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
}
|
||||
|
||||
func New() *Layer {
|
||||
return &Layer{}
|
||||
}
|
||||
|
||||
var (
|
||||
_ director.MiddlewareLayer = &Layer{}
|
||||
_ director.ResponseTransformerLayer = &Layer{}
|
||||
)
|
56
internal/proxy/director/layer/rewriter/layer_options.go
Normal file
56
internal/proxy/director/layer/rewriter/layer_options.go
Normal file
@ -0,0 +1,56 @@
|
||||
package rewriter
|
||||
|
||||
import (
|
||||
"forge.cadoles.com/cadoles/bouncer/internal/store"
|
||||
"github.com/mitchellh/mapstructure"
|
||||
"github.com/pkg/errors"
|
||||
)
|
||||
|
||||
type LayerOptions struct {
|
||||
MatchURLs []string `mapstructure:"matchURLs"`
|
||||
Rules Rules `mapstructure:"rules"`
|
||||
}
|
||||
|
||||
type Rules struct {
|
||||
Request []string `mapstructure:"request"`
|
||||
Response []string `mapstructure:"response"`
|
||||
}
|
||||
|
||||
func DefaultLayerOptions() LayerOptions {
|
||||
return LayerOptions{
|
||||
MatchURLs: []string{"*"},
|
||||
Rules: Rules{
|
||||
Request: []string{},
|
||||
Response: []string{},
|
||||
},
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
func fromStoreOptions(storeOptions store.LayerOptions) (*LayerOptions, error) {
|
||||
layerOptions := DefaultLayerOptions()
|
||||
|
||||
if err := FromStoreOptions(storeOptions, &layerOptions); err != nil {
|
||||
return nil, errors.WithStack(err)
|
||||
}
|
||||
|
||||
return &layerOptions, nil
|
||||
}
|
||||
|
||||
func FromStoreOptions(storeOptions store.LayerOptions, dest any) error {
|
||||
config := mapstructure.DecoderConfig{
|
||||
Result: dest,
|
||||
ZeroFields: true,
|
||||
}
|
||||
|
||||
decoder, err := mapstructure.NewDecoder(&config)
|
||||
if err != nil {
|
||||
return errors.WithStack(err)
|
||||
}
|
||||
|
||||
if err := decoder.Decode(storeOptions); err != nil {
|
||||
return errors.WithStack(err)
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
133
internal/proxy/director/layer/rewriter/rules.go
Normal file
133
internal/proxy/director/layer/rewriter/rules.go
Normal file
@ -0,0 +1,133 @@
|
||||
package rewriter
|
||||
|
||||
import (
|
||||
"net/http"
|
||||
|
||||
"forge.cadoles.com/cadoles/bouncer/internal/rule"
|
||||
ruleHTTP "forge.cadoles.com/cadoles/bouncer/internal/rule/http"
|
||||
"github.com/pkg/errors"
|
||||
)
|
||||
|
||||
type RequestEnv struct {
|
||||
Request RequestInfo `expr:"request"`
|
||||
}
|
||||
|
||||
type RequestInfo struct {
|
||||
Method string `expr:"method"`
|
||||
URL string `expr:"url"`
|
||||
Proto string `expr:"proto"`
|
||||
ProtoMajor int `expr:"protoMajor"`
|
||||
ProtoMinor int `expr:"protoMinor"`
|
||||
Header map[string][]string `expr:"header"`
|
||||
ContentLength int64 `expr:"contentLength"`
|
||||
TransferEncoding []string `expr:"transferEncoding"`
|
||||
Host string `expr:"host"`
|
||||
Trailer map[string][]string `expr:"trailer"`
|
||||
RemoteAddr string `expr:"remoteAddr"`
|
||||
RequestURI string `expr:"requestUri"`
|
||||
}
|
||||
|
||||
func (l *Layer) applyRequestRules(r *http.Request, options *LayerOptions) error {
|
||||
rules := options.Rules.Request
|
||||
if len(rules) == 0 {
|
||||
return nil
|
||||
}
|
||||
|
||||
engine, err := rule.NewEngine[*RequestEnv](
|
||||
ruleHTTP.WithRequestFuncs(r),
|
||||
rule.WithRules(options.Rules.Request...),
|
||||
)
|
||||
if err != nil {
|
||||
return errors.WithStack(err)
|
||||
}
|
||||
|
||||
env := &RequestEnv{
|
||||
Request: RequestInfo{
|
||||
Method: r.Method,
|
||||
URL: r.URL.String(),
|
||||
Proto: r.Proto,
|
||||
ProtoMajor: r.ProtoMajor,
|
||||
ProtoMinor: r.ProtoMinor,
|
||||
Header: r.Header,
|
||||
ContentLength: r.ContentLength,
|
||||
TransferEncoding: r.TransferEncoding,
|
||||
Host: r.Host,
|
||||
Trailer: r.Trailer,
|
||||
RemoteAddr: r.RemoteAddr,
|
||||
RequestURI: r.RequestURI,
|
||||
},
|
||||
}
|
||||
|
||||
if _, err := engine.Apply(env); err != nil {
|
||||
return errors.WithStack(err)
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
type ResponseEnv struct {
|
||||
Request RequestInfo `expr:"request"`
|
||||
Response ResponseInfo `expr:"response"`
|
||||
}
|
||||
|
||||
type ResponseInfo struct {
|
||||
Status string `expr:"status"`
|
||||
StatusCode int `expr:"statusCode"`
|
||||
Proto string `expr:"proto"`
|
||||
ProtoMajor int `expr:"protoMajor"`
|
||||
ProtoMinor int `expr:"protoMinor"`
|
||||
Header map[string][]string `expr:"header"`
|
||||
ContentLength int64 `expr:"contentLength"`
|
||||
TransferEncoding []string `expr:"transferEncoding"`
|
||||
Uncompressed bool `expr:"uncompressed"`
|
||||
Trailer map[string][]string `expr:"trailer"`
|
||||
}
|
||||
|
||||
func (l *Layer) applyResponseRules(r *http.Response, options *LayerOptions) error {
|
||||
rules := options.Rules.Request
|
||||
if len(rules) == 0 {
|
||||
return nil
|
||||
}
|
||||
|
||||
engine, err := rule.NewEngine[*ResponseEnv](
|
||||
rule.WithRules(options.Rules.Response...),
|
||||
ruleHTTP.WithResponseFuncs(r),
|
||||
)
|
||||
if err != nil {
|
||||
return errors.WithStack(err)
|
||||
}
|
||||
|
||||
env := &ResponseEnv{
|
||||
Request: RequestInfo{
|
||||
Method: r.Request.Method,
|
||||
URL: r.Request.URL.String(),
|
||||
Proto: r.Request.Proto,
|
||||
ProtoMajor: r.Request.ProtoMajor,
|
||||
ProtoMinor: r.Request.ProtoMinor,
|
||||
Header: r.Request.Header,
|
||||
ContentLength: r.Request.ContentLength,
|
||||
TransferEncoding: r.Request.TransferEncoding,
|
||||
Host: r.Request.Host,
|
||||
Trailer: r.Request.Trailer,
|
||||
RemoteAddr: r.Request.RemoteAddr,
|
||||
RequestURI: r.Request.RequestURI,
|
||||
},
|
||||
Response: ResponseInfo{
|
||||
Proto: r.Proto,
|
||||
ProtoMajor: r.ProtoMajor,
|
||||
ProtoMinor: r.ProtoMinor,
|
||||
Header: r.Header,
|
||||
ContentLength: r.ContentLength,
|
||||
TransferEncoding: r.TransferEncoding,
|
||||
Trailer: r.Trailer,
|
||||
Status: r.Status,
|
||||
StatusCode: r.StatusCode,
|
||||
},
|
||||
}
|
||||
|
||||
if _, err := engine.Apply(env); err != nil {
|
||||
return errors.WithStack(err)
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
8
internal/proxy/director/layer/rewriter/schema.go
Normal file
8
internal/proxy/director/layer/rewriter/schema.go
Normal file
@ -0,0 +1,8 @@
|
||||
package rewriter
|
||||
|
||||
import (
|
||||
_ "embed"
|
||||
)
|
||||
|
||||
//go:embed layer-options.json
|
||||
var RawLayerOptionsSchema []byte
|
@ -3,11 +3,14 @@ package proxy
|
||||
import (
|
||||
"context"
|
||||
"fmt"
|
||||
"html/template"
|
||||
"log"
|
||||
"net"
|
||||
"net/http"
|
||||
"net/http/httputil"
|
||||
"net/url"
|
||||
"path/filepath"
|
||||
"strconv"
|
||||
"time"
|
||||
|
||||
"forge.cadoles.com/Cadoles/go-proxy"
|
||||
@ -17,6 +20,8 @@ import (
|
||||
"forge.cadoles.com/cadoles/bouncer/internal/config"
|
||||
"forge.cadoles.com/cadoles/bouncer/internal/proxy/director"
|
||||
"forge.cadoles.com/cadoles/bouncer/internal/store"
|
||||
|
||||
"github.com/Masterminds/sprig/v3"
|
||||
"github.com/getsentry/sentry-go"
|
||||
sentryhttp "github.com/getsentry/sentry-go/http"
|
||||
"github.com/go-chi/chi/v5"
|
||||
@ -152,6 +157,7 @@ func (s *Server) run(parentCtx context.Context, addrs chan net.Addr, errs chan e
|
||||
director.ResponseTransformer(),
|
||||
),
|
||||
proxy.WithReverseProxyFactory(s.createReverseProxy),
|
||||
proxy.WithDefaultHandler(http.HandlerFunc(s.handleDefault)),
|
||||
)
|
||||
|
||||
r.Handle("/*", handler)
|
||||
@ -180,18 +186,83 @@ func (s *Server) createReverseProxy(ctx context.Context, target *url.URL) *httpu
|
||||
httpTransport.DialContext = dialer.DialContext
|
||||
|
||||
reverseProxy.Transport = httpTransport
|
||||
reverseProxy.ErrorHandler = s.errorHandler
|
||||
reverseProxy.ErrorHandler = s.handleError
|
||||
|
||||
return reverseProxy
|
||||
}
|
||||
|
||||
func (s *Server) errorHandler(w http.ResponseWriter, r *http.Request, err error) {
|
||||
func (s *Server) handleDefault(w http.ResponseWriter, r *http.Request) {
|
||||
err := errors.Errorf("no proxy target found")
|
||||
|
||||
logger.Error(r.Context(), "proxy error", logger.E(err))
|
||||
sentry.CaptureException(err)
|
||||
|
||||
s.renderErrorPage(w, r, err, http.StatusBadGateway, http.StatusText(http.StatusBadGateway))
|
||||
}
|
||||
|
||||
func (s *Server) handleError(w http.ResponseWriter, r *http.Request, err error) {
|
||||
err = errors.WithStack(err)
|
||||
|
||||
logger.Error(r.Context(), "proxy error", logger.E(err))
|
||||
sentry.CaptureException(err)
|
||||
|
||||
s.renderErrorPage(w, r, err, http.StatusBadGateway, http.StatusText(http.StatusBadGateway))
|
||||
}
|
||||
|
||||
func (s *Server) renderErrorPage(w http.ResponseWriter, r *http.Request, err error, statusCode int, status string) {
|
||||
templateData := struct {
|
||||
StatusCode int
|
||||
Status string
|
||||
Err error
|
||||
Debug bool
|
||||
}{
|
||||
Debug: bool(s.serverConfig.Debug),
|
||||
StatusCode: statusCode,
|
||||
Status: status,
|
||||
Err: err,
|
||||
}
|
||||
|
||||
w.WriteHeader(statusCode)
|
||||
s.renderPage(w, r, "error", strconv.FormatInt(int64(statusCode), 10), templateData)
|
||||
}
|
||||
|
||||
func (s *Server) renderPage(w http.ResponseWriter, r *http.Request, page string, block string, templateData any) {
|
||||
ctx := r.Context()
|
||||
|
||||
templatesConf := s.serverConfig.Templates
|
||||
|
||||
pattern := filepath.Join(string(templatesConf.Dir), page+".gohtml")
|
||||
|
||||
logger.Info(ctx, "loading proxy templates", logger.F("pattern", pattern))
|
||||
|
||||
tmpl, err := template.New("").Funcs(sprig.FuncMap()).ParseGlob(pattern)
|
||||
if err != nil {
|
||||
logger.Error(ctx, "could not load proxy templates", logger.E(errors.WithStack(err)))
|
||||
http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
w.Header().Add("Cache-Control", "no-cache")
|
||||
|
||||
blockTmpl := tmpl.Lookup(block)
|
||||
if blockTmpl == nil {
|
||||
blockTmpl = tmpl.Lookup("default")
|
||||
}
|
||||
|
||||
if blockTmpl == nil {
|
||||
logger.Error(ctx, "could not find template block nor default one", logger.F("block", block))
|
||||
http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
if err := blockTmpl.Execute(w, templateData); err != nil {
|
||||
logger.Error(ctx, "could not render proxy page", logger.E(errors.WithStack(err)))
|
||||
http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
|
||||
|
||||
return
|
||||
}
|
||||
}
|
||||
|
||||
func NewServer(funcs ...OptionFunc) *Server {
|
||||
|
44
internal/rule/engine.go
Normal file
44
internal/rule/engine.go
Normal file
@ -0,0 +1,44 @@
|
||||
package rule
|
||||
|
||||
import (
|
||||
"github.com/expr-lang/expr"
|
||||
"github.com/expr-lang/expr/vm"
|
||||
"github.com/pkg/errors"
|
||||
)
|
||||
|
||||
type Engine[E any] struct {
|
||||
rules []*vm.Program
|
||||
}
|
||||
|
||||
func (e *Engine[E]) Apply(env E) ([]any, error) {
|
||||
results := make([]any, 0, len(e.rules))
|
||||
for i, r := range e.rules {
|
||||
result, err := expr.Run(r, env)
|
||||
if err != nil {
|
||||
return nil, errors.Wrapf(err, "could not run rule #%d", i)
|
||||
}
|
||||
|
||||
results = append(results, result)
|
||||
}
|
||||
|
||||
return results, nil
|
||||
}
|
||||
|
||||
func NewEngine[E any](funcs ...OptionFunc) (*Engine[E], error) {
|
||||
opts := NewOptions(funcs...)
|
||||
|
||||
engine := &Engine[E]{
|
||||
rules: make([]*vm.Program, 0, len(opts.Rules)),
|
||||
}
|
||||
|
||||
for i, r := range opts.Rules {
|
||||
program, err := expr.Compile(r, opts.Expr...)
|
||||
if err != nil {
|
||||
return nil, errors.Wrapf(err, "could not compile rule #%d", i)
|
||||
}
|
||||
|
||||
engine.rules = append(engine.rules, program)
|
||||
}
|
||||
|
||||
return engine, nil
|
||||
}
|
42
internal/rule/http/option.go
Normal file
42
internal/rule/http/option.go
Normal file
@ -0,0 +1,42 @@
|
||||
package http
|
||||
|
||||
import (
|
||||
"net/http"
|
||||
|
||||
"forge.cadoles.com/cadoles/bouncer/internal/rule"
|
||||
"github.com/expr-lang/expr"
|
||||
)
|
||||
|
||||
func WithRequestFuncs(r *http.Request) rule.OptionFunc {
|
||||
return func(opts *rule.Options) {
|
||||
funcs := []expr.Option{
|
||||
setRequestURL(r),
|
||||
setRequestHeaderFunc(r),
|
||||
addRequestHeaderFunc(r),
|
||||
delRequestHeadersFunc(r),
|
||||
setRequestHostFunc(r),
|
||||
}
|
||||
|
||||
if len(opts.Expr) == 0 {
|
||||
opts.Expr = make([]expr.Option, 0)
|
||||
}
|
||||
|
||||
opts.Expr = append(opts.Expr, funcs...)
|
||||
}
|
||||
}
|
||||
|
||||
func WithResponseFuncs(r *http.Response) rule.OptionFunc {
|
||||
return func(opts *rule.Options) {
|
||||
funcs := []expr.Option{
|
||||
setResponseHeaderFunc(r),
|
||||
addResponseHeaderFunc(r),
|
||||
delResponseHeadersFunc(r),
|
||||
}
|
||||
|
||||
if len(opts.Expr) == 0 {
|
||||
opts.Expr = make([]expr.Option, 0)
|
||||
}
|
||||
|
||||
opts.Expr = append(opts.Expr, funcs...)
|
||||
}
|
||||
}
|
122
internal/rule/http/request.go
Normal file
122
internal/rule/http/request.go
Normal file
@ -0,0 +1,122 @@
|
||||
package http
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"net/http"
|
||||
"net/url"
|
||||
"strconv"
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
"forge.cadoles.com/Cadoles/go-proxy/wildcard"
|
||||
"github.com/expr-lang/expr"
|
||||
"github.com/pkg/errors"
|
||||
)
|
||||
|
||||
func setRequestHostFunc(r *http.Request) expr.Option {
|
||||
return expr.Function(
|
||||
"set_host",
|
||||
func(params ...any) (any, error) {
|
||||
host := params[0].(string)
|
||||
r.Host = host
|
||||
|
||||
return true, nil
|
||||
},
|
||||
new(func(string) bool),
|
||||
)
|
||||
}
|
||||
|
||||
func setRequestURL(r *http.Request) expr.Option {
|
||||
return expr.Function(
|
||||
"set_url",
|
||||
func(params ...any) (any, error) {
|
||||
rawURL := params[0].(string)
|
||||
|
||||
url, err := url.Parse(rawURL)
|
||||
if err != nil {
|
||||
return false, errors.WithStack(err)
|
||||
}
|
||||
|
||||
r.URL = url
|
||||
|
||||
return true, nil
|
||||
},
|
||||
new(func(string) bool),
|
||||
)
|
||||
}
|
||||
|
||||
func addRequestHeaderFunc(r *http.Request) expr.Option {
|
||||
return expr.Function(
|
||||
"add_header",
|
||||
func(params ...any) (any, error) {
|
||||
name := params[0].(string)
|
||||
rawValue := params[1]
|
||||
|
||||
var value string
|
||||
switch v := rawValue.(type) {
|
||||
case []string:
|
||||
value = strings.Join(v, ",")
|
||||
case time.Time:
|
||||
value = strconv.FormatInt(v.UTC().Unix(), 10)
|
||||
case time.Duration:
|
||||
value = strconv.FormatInt(int64(v.Seconds()), 10)
|
||||
default:
|
||||
value = fmt.Sprintf("%v", rawValue)
|
||||
}
|
||||
|
||||
r.Header.Add(name, value)
|
||||
|
||||
return true, nil
|
||||
},
|
||||
new(func(string, string) bool),
|
||||
)
|
||||
}
|
||||
|
||||
func setRequestHeaderFunc(r *http.Request) expr.Option {
|
||||
return expr.Function(
|
||||
"set_header",
|
||||
func(params ...any) (any, error) {
|
||||
name := params[0].(string)
|
||||
rawValue := params[1]
|
||||
|
||||
var value string
|
||||
switch v := rawValue.(type) {
|
||||
case []string:
|
||||
value = strings.Join(v, ",")
|
||||
case time.Time:
|
||||
value = strconv.FormatInt(v.UTC().Unix(), 10)
|
||||
case time.Duration:
|
||||
value = strconv.FormatInt(int64(v.Seconds()), 10)
|
||||
default:
|
||||
value = fmt.Sprintf("%v", rawValue)
|
||||
}
|
||||
|
||||
r.Header.Set(name, value)
|
||||
|
||||
return true, nil
|
||||
},
|
||||
new(func(string, string) bool),
|
||||
)
|
||||
}
|
||||
|
||||
func delRequestHeadersFunc(r *http.Request) expr.Option {
|
||||
return expr.Function(
|
||||
"del_headers",
|
||||
func(params ...any) (any, error) {
|
||||
pattern := params[0].(string)
|
||||
deleted := false
|
||||
|
||||
for key := range r.Header {
|
||||
if !wildcard.Match(key, pattern) {
|
||||
continue
|
||||
}
|
||||
|
||||
r.Header.Del(key)
|
||||
deleted = true
|
||||
}
|
||||
|
||||
return deleted, nil
|
||||
},
|
||||
new(func(string) bool),
|
||||
)
|
||||
}
|
88
internal/rule/http/response.go
Normal file
88
internal/rule/http/response.go
Normal file
@ -0,0 +1,88 @@
|
||||
package http
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"net/http"
|
||||
"strconv"
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
"forge.cadoles.com/Cadoles/go-proxy/wildcard"
|
||||
"github.com/expr-lang/expr"
|
||||
)
|
||||
|
||||
func addResponseHeaderFunc(r *http.Response) expr.Option {
|
||||
return expr.Function(
|
||||
"add_header",
|
||||
func(params ...any) (any, error) {
|
||||
name := params[0].(string)
|
||||
rawValue := params[1]
|
||||
|
||||
var value string
|
||||
switch v := rawValue.(type) {
|
||||
case []string:
|
||||
value = strings.Join(v, ",")
|
||||
case time.Time:
|
||||
value = strconv.FormatInt(v.UTC().Unix(), 10)
|
||||
case time.Duration:
|
||||
value = strconv.FormatInt(int64(v.Seconds()), 10)
|
||||
default:
|
||||
value = fmt.Sprintf("%v", rawValue)
|
||||
}
|
||||
|
||||
r.Header.Add(name, value)
|
||||
|
||||
return true, nil
|
||||
},
|
||||
new(func(string, string) bool),
|
||||
)
|
||||
}
|
||||
|
||||
func setResponseHeaderFunc(r *http.Response) expr.Option {
|
||||
return expr.Function(
|
||||
"set_header",
|
||||
func(params ...any) (any, error) {
|
||||
name := params[0].(string)
|
||||
rawValue := params[1]
|
||||
|
||||
var value string
|
||||
switch v := rawValue.(type) {
|
||||
case []string:
|
||||
value = strings.Join(v, ",")
|
||||
case time.Time:
|
||||
value = strconv.FormatInt(v.UTC().Unix(), 10)
|
||||
case time.Duration:
|
||||
value = strconv.FormatInt(int64(v.Seconds()), 10)
|
||||
default:
|
||||
value = fmt.Sprintf("%v", rawValue)
|
||||
}
|
||||
|
||||
r.Header.Set(name, value)
|
||||
|
||||
return true, nil
|
||||
},
|
||||
new(func(string, string) bool),
|
||||
)
|
||||
}
|
||||
|
||||
func delResponseHeadersFunc(r *http.Response) expr.Option {
|
||||
return expr.Function(
|
||||
"del_headers",
|
||||
func(params ...any) (any, error) {
|
||||
pattern := params[0].(string)
|
||||
deleted := false
|
||||
|
||||
for key := range r.Header {
|
||||
if !wildcard.Match(key, pattern) {
|
||||
continue
|
||||
}
|
||||
|
||||
r.Header.Del(key)
|
||||
deleted = true
|
||||
}
|
||||
|
||||
return deleted, nil
|
||||
},
|
||||
new(func(string) bool),
|
||||
)
|
||||
}
|
35
internal/rule/options.go
Normal file
35
internal/rule/options.go
Normal file
@ -0,0 +1,35 @@
|
||||
package rule
|
||||
|
||||
import "github.com/expr-lang/expr"
|
||||
|
||||
type Options struct {
|
||||
Rules []string
|
||||
Expr []expr.Option
|
||||
}
|
||||
|
||||
type OptionFunc func(opts *Options)
|
||||
|
||||
func NewOptions(funcs ...OptionFunc) *Options {
|
||||
opts := &Options{
|
||||
Expr: make([]expr.Option, 0),
|
||||
Rules: make([]string, 0),
|
||||
}
|
||||
|
||||
for _, fn := range funcs {
|
||||
fn(opts)
|
||||
}
|
||||
|
||||
return opts
|
||||
}
|
||||
|
||||
func WithRules(rules ...string) OptionFunc {
|
||||
return func(opts *Options) {
|
||||
opts.Rules = rules
|
||||
}
|
||||
}
|
||||
|
||||
func WithExpr(options ...expr.Option) OptionFunc {
|
||||
return func(opts *Options) {
|
||||
opts.Expr = options
|
||||
}
|
||||
}
|
15
internal/setup/rewriter_layer.go
Normal file
15
internal/setup/rewriter_layer.go
Normal file
@ -0,0 +1,15 @@
|
||||
package setup
|
||||
|
||||
import (
|
||||
"forge.cadoles.com/cadoles/bouncer/internal/config"
|
||||
"forge.cadoles.com/cadoles/bouncer/internal/proxy/director"
|
||||
"forge.cadoles.com/cadoles/bouncer/internal/proxy/director/layer/rewriter"
|
||||
)
|
||||
|
||||
func init() {
|
||||
RegisterLayer(rewriter.LayerType, setupRewriterLayer, rewriter.RawLayerOptionsSchema)
|
||||
}
|
||||
|
||||
func setupRewriterLayer(conf *config.Config) (director.Layer, error) {
|
||||
return rewriter.New(), nil
|
||||
}
|
@ -19,7 +19,8 @@ layers:
|
||||
# clientId: my-client-id
|
||||
# clientSecret: my-client-id
|
||||
# issuerURL: https://forge.cadoles.com/
|
||||
# postLogoutRedirectURL: http://localhost:8080
|
||||
# postLogoutRedirectURLs:
|
||||
# - http://localhost:8080
|
||||
# scopes: ["profile", "openid", "email"]
|
||||
# authParams:
|
||||
# acr_values: "eidas2"
|
||||
|
@ -1,49 +0,0 @@
|
||||
FROM golang:1.20 AS BUILD
|
||||
|
||||
RUN apt-get update \
|
||||
&& apt-get install -y make
|
||||
|
||||
ARG YQ_VERSION=4.34.1
|
||||
|
||||
RUN mkdir -p /usr/local/bin \
|
||||
&& wget -O /usr/local/bin/yq https://github.com/mikefarah/yq/releases/download/v${YQ_VERSION}/yq_linux_amd64 \
|
||||
&& chmod +x /usr/local/bin/yq
|
||||
|
||||
COPY . /src
|
||||
|
||||
WORKDIR /src
|
||||
|
||||
RUN make GORELEASER_ARGS='build --rm-dist --single-target --snapshot' goreleaser
|
||||
|
||||
# Patch config
|
||||
RUN /src/dist/bouncer_linux_amd64_v1/bouncer -c '' config dump > /src/dist/bouncer_linux_amd64_v1/config.yml \
|
||||
&& yq -i '.layers.queue.templateDir = "/usr/share/bouncer/layers/queue/templates"' /src/dist/bouncer_linux_amd64_v1/config.yml \
|
||||
&& yq -i '.admin.auth.privateKey = "/etc/bouncer/admin-key.json"' /src/dist/bouncer_linux_amd64_v1/config.yml \
|
||||
&& yq -i '.redis.adresses = ["redis:6379"]' /src/dist/bouncer_linux_amd64_v1/config.yml
|
||||
|
||||
FROM alpine:3.18 AS RUNTIME
|
||||
|
||||
ARG DUMB_INIT_VERSION=1.2.5
|
||||
|
||||
RUN apk add --no-cache ca-certificates
|
||||
|
||||
RUN mkdir -p /usr/local/bin \
|
||||
&& wget -O /usr/local/bin/dumb-init https://github.com/Yelp/dumb-init/releases/download/v${DUMB_INIT_VERSION}/dumb-init_${DUMB_INIT_VERSION}_x86_64 \
|
||||
&& chmod +x /usr/local/bin/dumb-init
|
||||
|
||||
ENTRYPOINT ["/usr/local/bin/dumb-init", "--"]
|
||||
|
||||
RUN mkdir -p /usr/local/bin /usr/share/bouncer/bin /etc/bouncer
|
||||
|
||||
COPY --from=BUILD /src/dist/bouncer_linux_amd64_v1/bouncer /usr/share/bouncer/bin/bouncer
|
||||
COPY --from=BUILD /src/layers /usr/share/bouncer/layers
|
||||
COPY --from=BUILD /src/dist/bouncer_linux_amd64_v1/config.yml /etc/bouncer/config.yml
|
||||
|
||||
RUN ln -s /usr/share/bouncer/bin/bouncer /usr/local/bin/bouncer
|
||||
|
||||
EXPOSE 8080
|
||||
EXPOSE 8081
|
||||
|
||||
ENV BOUNCER_CONFIG=/etc/bouncer/config.yml
|
||||
|
||||
CMD ["bouncer"]
|
@ -70,6 +70,12 @@ admin:
|
||||
|
||||
# Configuration du service "proxy"
|
||||
proxy:
|
||||
# Activer/désactiver le mode debug (affichage ou non des messages d'erreur)
|
||||
debug: false
|
||||
# Configuration des templates utilisés par le proxy
|
||||
templates:
|
||||
# Répertoire contenant les templates
|
||||
dir: /etc/bouncer/templates
|
||||
http:
|
||||
# Hôte d'écoute du service,
|
||||
# 0.0.0.0 pour écouter sur toutes les interfaces
|
||||
|
96
templates/error.gohtml
Normal file
96
templates/error.gohtml
Normal file
@ -0,0 +1,96 @@
|
||||
{{ define "default" }}
|
||||
<!DOCTYPE html>
|
||||
<html>
|
||||
<head>
|
||||
<meta charset="UTF-8" />
|
||||
<meta name="viewport" content="width=device-width,initial-scale=1" />
|
||||
{{ $title := print .StatusCode " - " .Status }}
|
||||
<title>{{ $title }}</title>
|
||||
<style>
|
||||
html {
|
||||
box-sizing: border-box;
|
||||
font-size: 16px;
|
||||
}
|
||||
|
||||
*,
|
||||
*:before,
|
||||
*:after {
|
||||
box-sizing: inherit;
|
||||
}
|
||||
|
||||
body,
|
||||
h1,
|
||||
h2,
|
||||
h3,
|
||||
h4,
|
||||
h5,
|
||||
h6,
|
||||
p,
|
||||
ol,
|
||||
ul {
|
||||
margin: 0;
|
||||
padding: 0;
|
||||
font-weight: normal;
|
||||
}
|
||||
|
||||
html,
|
||||
body {
|
||||
width: 100%;
|
||||
height: 100%;
|
||||
font-family: Arial, Helvetica, sans-serif;
|
||||
background-color: #ffe4e4;
|
||||
}
|
||||
|
||||
#container {
|
||||
display: flex;
|
||||
align-items: center;
|
||||
justify-content: center;
|
||||
height: 100%;
|
||||
flex-direction: column;
|
||||
}
|
||||
|
||||
#card {
|
||||
padding: 1.5em 1em;
|
||||
border: 1px solid #d90202;
|
||||
background-color: #feb0b0;
|
||||
border-radius: 5px;
|
||||
box-shadow: 2px 2px #cccccc1c;
|
||||
color: #810000 !important;
|
||||
}
|
||||
|
||||
.title {
|
||||
margin-bottom: 1.2em;
|
||||
}
|
||||
|
||||
p {
|
||||
margin-bottom: 0.5em;
|
||||
}
|
||||
|
||||
code,
|
||||
pre {
|
||||
font-family: monospace;
|
||||
}
|
||||
|
||||
.footer {
|
||||
font-size: 0.7em;
|
||||
margin-top: 2em;
|
||||
text-align: right;
|
||||
}
|
||||
</style>
|
||||
</head>
|
||||
<body>
|
||||
<div id="container">
|
||||
<div id="card">
|
||||
<h2 class="title">{{ $title }}</h2>
|
||||
{{ if .Debug }}
|
||||
<pre>{{ .Err }}</pre>
|
||||
{{ end }}
|
||||
<p class="footer">
|
||||
Propulsé par
|
||||
<a href="https://forge.cadoles.com/Cadoles/bouncer">Bouncer</a>.
|
||||
</p>
|
||||
</div>
|
||||
</div>
|
||||
</body>
|
||||
</html>
|
||||
{{ end }}
|
Reference in New Issue
Block a user