coder/coderd/httpmw/workspaceagentparam.go

88 lines
2.7 KiB
Go

package httpmw
import (
"context"
"net/http"
"github.com/go-chi/chi/v5"
"github.com/coder/coder/v2/coderd/database"
"github.com/coder/coder/v2/coderd/httpapi"
"github.com/coder/coder/v2/codersdk"
)
type workspaceAgentParamContextKey struct{}
// WorkspaceAgentParam returns the workspace agent from the ExtractWorkspaceAgentParam handler.
func WorkspaceAgentParam(r *http.Request) database.WorkspaceAgent {
user, ok := r.Context().Value(workspaceAgentParamContextKey{}).(database.WorkspaceAgent)
if !ok {
panic("developer error: agent middleware not provided")
}
return user
}
// ExtractWorkspaceAgentParam grabs a workspace agent from the "workspaceagent" URL parameter.
func ExtractWorkspaceAgentParam(db database.Store) func(http.Handler) http.Handler {
return func(next http.Handler) http.Handler {
return http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {
ctx := r.Context()
agentUUID, parsed := ParseUUIDParam(rw, r, "workspaceagent")
if !parsed {
return
}
agent, err := db.GetWorkspaceAgentByID(ctx, agentUUID)
if httpapi.Is404Error(err) {
httpapi.Write(ctx, rw, http.StatusNotFound, codersdk.Response{
Message: "Agent doesn't exist with that id, or you do not have access to it.",
})
return
}
if err != nil {
httpapi.Write(ctx, rw, http.StatusInternalServerError, codersdk.Response{
Message: "Internal error fetching workspace agent.",
Detail: err.Error(),
})
return
}
resource, err := db.GetWorkspaceResourceByID(ctx, agent.ResourceID)
if err != nil {
httpapi.Write(ctx, rw, http.StatusInternalServerError, codersdk.Response{
Message: "Internal error fetching workspace resource.",
Detail: err.Error(),
})
return
}
job, err := db.GetProvisionerJobByID(ctx, resource.JobID)
if err != nil {
httpapi.Write(ctx, rw, http.StatusInternalServerError, codersdk.Response{
Message: "Internal error fetching provisioner job.",
Detail: err.Error(),
})
return
}
if job.Type != database.ProvisionerJobTypeWorkspaceBuild {
httpapi.Write(ctx, rw, http.StatusBadRequest, codersdk.Response{
Message: "Workspace agents can only be fetched for builds.",
})
return
}
build, err := db.GetWorkspaceBuildByJobID(ctx, job.ID)
if err != nil {
httpapi.Write(ctx, rw, http.StatusInternalServerError, codersdk.Response{
Message: "Internal error fetching workspace build.",
Detail: err.Error(),
})
return
}
ctx = context.WithValue(ctx, workspaceAgentParamContextKey{}, agent)
chi.RouteContext(ctx).URLParams.Add("workspace", build.WorkspaceID.String())
next.ServeHTTP(rw, r.WithContext(ctx))
})
}
}