45 lines
1 KiB
Go
45 lines
1 KiB
Go
package middleware
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import (
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"github.com/drone/drone/shared/token"
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"github.com/Sirupsen/logrus"
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"github.com/gin-gonic/gin"
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"github.com/ianschenck/envflag"
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)
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var (
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secret = envflag.String("AGENT_SECRET", "", "")
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noauth = envflag.Bool("AGENT_NO_AUTH", false, "")
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)
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// Agent is a middleware function that initializes the authorization middleware
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// for agents to connect to the queue.
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func AgentMust() gin.HandlerFunc {
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if *secret == "" {
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logrus.Fatalf("please provide the agent secret to authenticate agent requests")
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}
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t := token.New(token.AgentToken, "")
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s, err := t.Sign(*secret)
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if err != nil {
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logrus.Fatalf("invalid agent secret. %s", err)
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}
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logrus.Infof("using agent secret %s", *secret)
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logrus.Warnf("agents can connect with token %s", s)
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return func(c *gin.Context) {
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parsed, err := token.ParseRequest(c.Request, func(t *token.Token) (string, error) {
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return *secret, nil
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})
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if err != nil {
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c.AbortWithError(403, err)
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} else if parsed.Kind != token.AgentToken {
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c.AbortWithStatus(403)
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} else {
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c.Next()
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}
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}
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}
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