Stian Aune
5 years ago
13 changed files with 889 additions and 77 deletions
-
5cmd/lucifer-server/main.go
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265controllers/bridge-controller.go
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256controllers/group-controller.go
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195controllers/light-controller.go
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2controllers/user-controller.go
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4database/sqlite/bridge-repository.go
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35database/sqlite/group-repository.go
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5database/sqlite/light-repository.go
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3internal/httperr/error.go
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14light/driver.go
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24light/hue/driver.go
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136light/service.go
-
22models/light.go
@ -0,0 +1,265 @@ |
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package controllers |
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|
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import ( |
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"context" |
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"database/sql" |
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"encoding/json" |
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"errors" |
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"net/http" |
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"strconv" |
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|
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"git.aiterp.net/lucifer/lucifer/internal/httperr" |
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"git.aiterp.net/lucifer/lucifer/internal/respond" |
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"git.aiterp.net/lucifer/lucifer/light" |
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"git.aiterp.net/lucifer/lucifer/models" |
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"github.com/gorilla/mux" |
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) |
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|
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// The BridgeController is a controller for all bridge things.
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type BridgeController struct { |
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service *light.Service |
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groups models.GroupRepository |
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} |
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|
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// getBridges (`GET /`): Get all bridges
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func (c *BridgeController) getBridges(w http.ResponseWriter, r *http.Request) { |
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bridges, err := c.service.Bridges(r.Context()) |
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if err != nil { |
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httperr.Respond(w, err) |
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return |
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} |
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|
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respond.Data(w, bridges) |
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} |
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|
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// getBridge (`GET /:bridge_id`): Get bridge by ID
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func (c *BridgeController) getBridge(w http.ResponseWriter, r *http.Request) { |
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idStr := mux.Vars(r)["bridge_id"] |
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id, err := strconv.ParseInt(idStr, 10, 32) |
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if err != nil { |
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respond.Error(w, http.StatusBadRequest, "invalid_id", "The id "+idStr+" is not valid.") |
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return |
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} |
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|
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bridge, err := c.service.Bridge(r.Context(), int(id)) |
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if err == sql.ErrNoRows { |
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respond.Error(w, 404, "bridge_not_found", "The bridge cannot be found.") |
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return |
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} else if err != nil { |
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httperr.Respond(w, err) |
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return |
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} |
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|
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respond.Data(w, bridge) |
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} |
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|
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// postBridge (`POST /`): Post bridge
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func (c *BridgeController) postBridge(w http.ResponseWriter, r *http.Request) { |
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postData := struct { |
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Name string `json:"name"` |
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Driver string `json:"driver"` |
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Addr string `json:"addr"` |
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}{} |
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if err := json.NewDecoder(r.Body).Decode(&postData); err != nil || postData.Name == "" || postData.Driver == "" || postData.Addr == "" { |
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respond.Error(w, http.StatusBadRequest, "invalid_json", "Input is not valid JSON.") |
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return |
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} |
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|
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bridge, err := c.service.DirectConnect(r.Context(), postData.Driver, postData.Addr, postData.Name) |
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if err != nil { |
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httperr.Respond(w, err) |
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return |
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} |
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|
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respond.Data(w, bridge) |
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} |
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|
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// updateBridge (`PUT/PATCH /:bridge_id`): Update bridge by ID
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func (c *BridgeController) updateBridge(w http.ResponseWriter, r *http.Request) { |
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idStr := mux.Vars(r)["bridge_id"] |
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id, err := strconv.ParseInt(idStr, 10, 32) |
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if err != nil { |
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respond.Error(w, http.StatusBadRequest, "invalid_id", "The id "+idStr+" is not valid.") |
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return |
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} |
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|
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putData := struct { |
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Name string |
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}{} |
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if err := json.NewDecoder(r.Body).Decode(&putData); err != nil { |
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respond.Error(w, http.StatusBadRequest, "invalid_json", "Input is not valid JSON.") |
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return |
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} |
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if putData.Name == "" { |
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respond.Error(w, http.StatusBadRequest, "invalid_name", "The name cannot be blank.") |
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return |
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} |
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bridge, err := c.service.Bridge(r.Context(), int(id)) |
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if err == sql.ErrNoRows { |
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respond.Error(w, 404, "bridge_not_found", "The bridge cannot be found.") |
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return |
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} else if err != nil { |
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httperr.Respond(w, err) |
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return |
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} |
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bridge.Name = putData.Name |
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err = c.service.UpdateBridge(r.Context(), bridge) |
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if err != nil { |
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httperr.Respond(w, err) |
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return |
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} |
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respond.Data(w, bridge) |
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} |
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// postBridgeDiscover (`POST /:bridge_id/discover`): Delete bridge by ID
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func (c *BridgeController) postBridgeDiscover(w http.ResponseWriter, r *http.Request) { |
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idStr := mux.Vars(r)["bridge_id"] |
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id, err := strconv.ParseInt(idStr, 10, 32) |
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if err != nil { |
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respond.Error(w, http.StatusBadRequest, "invalid_id", "The id "+idStr+" is not valid.") |
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return |
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} |
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bridge, err := c.service.Bridge(r.Context(), int(id)) |
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if err == sql.ErrNoRows { |
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respond.Error(w, 404, "bridge_not_found", "The bridge cannot be found.") |
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return |
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} else if err != nil { |
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httperr.Respond(w, err) |
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return |
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} |
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err = c.service.DiscoverLights(r.Context(), bridge) |
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if err != nil { |
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httperr.Respond(w, err) |
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return |
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} |
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respond.Data(w, bridge) |
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} |
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// deleteBridge (`DELETE /:bridge_id`): Delete bridge by ID
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func (c *BridgeController) deleteBridge(w http.ResponseWriter, r *http.Request) { |
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idStr := mux.Vars(r)["bridge_id"] |
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id, err := strconv.ParseInt(idStr, 10, 32) |
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if err != nil { |
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respond.Error(w, http.StatusBadRequest, "invalid_id", "The id "+idStr+" is not valid.") |
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return |
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} |
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bridge, err := c.service.Bridge(r.Context(), int(id)) |
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if err == sql.ErrNoRows { |
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respond.Error(w, 404, "bridge_not_found", "The bridge cannot be found.") |
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return |
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} else if err != nil { |
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httperr.Respond(w, err) |
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return |
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} |
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err = c.service.DeleteBridge(r.Context(), bridge) |
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if err != nil { |
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httperr.Respond(w, err) |
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return |
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} |
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respond.Data(w, bridge) |
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} |
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// deleteBridgeLight (`DELETE /:bridge_id/light/:light_id`): Delete bridge by ID
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func (c *BridgeController) deleteBridgeLight(w http.ResponseWriter, r *http.Request) { |
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idStr := mux.Vars(r)["bridge_id"] |
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id, err := strconv.ParseInt(idStr, 10, 32) |
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if err != nil { |
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respond.Error(w, http.StatusBadRequest, "invalid_id", "The id "+idStr+" is not valid.") |
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return |
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} |
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lightIDStr := mux.Vars(r)["light_id"] |
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lightID, err := strconv.ParseInt(lightIDStr, 10, 32) |
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if err != nil { |
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respond.Error(w, http.StatusBadRequest, "invalid_id", "The id "+lightIDStr+" is not valid.") |
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return |
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} |
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bridge, err := c.service.Bridge(r.Context(), int(id)) |
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if err == sql.ErrNoRows { |
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respond.Error(w, 404, "bridge_not_found", "The bridge cannot be found.") |
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return |
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} else if err != nil { |
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httperr.Respond(w, err) |
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return |
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} |
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light, err := c.service.Light(r.Context(), int(lightID)) |
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if err != nil { |
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httperr.Respond(w, err) |
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return |
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} |
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if light.BridgeID != bridge.ID { |
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respond.Error(w, 404, "bridge_not_found", "The bridge cannot be found.") |
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return |
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} |
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err = c.service.DeleteBridgeLight(r.Context(), bridge, light) |
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if err != nil { |
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httperr.Respond(w, err) |
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return |
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} |
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respond.Data(w, bridge) |
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} |
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|
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// Mount mounts the controller
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func (c *BridgeController) Mount(router *mux.Router, prefix string) { |
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sub := router.PathPrefix(prefix).Subrouter() |
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sub.Use(c.adminMiddleware()) |
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sub.HandleFunc("/", c.getBridges).Methods("GET") |
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sub.HandleFunc("/", c.postBridge).Methods("POST") |
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sub.HandleFunc("/{bridge_id}", c.getBridge).Methods("GET") |
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sub.HandleFunc("/{bridge_id}", c.updateBridge).Methods("PUT", "PATCH") |
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sub.HandleFunc("/{bridge_id}", c.deleteBridge).Methods("DELETE") |
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sub.HandleFunc("/{bridge_id}/light/{light_id}", c.deleteBridgeLight).Methods("DELETE") |
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sub.HandleFunc("/{bridge_id}/discover", c.postBridgeDiscover).Methods("POST") |
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} |
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func (c *BridgeController) adminMiddleware() mux.MiddlewareFunc { |
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return func(next http.Handler) http.Handler { |
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { |
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err := c.isAdmin(r.Context()) |
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if err != nil { |
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httperr.Respond(w, err) |
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return |
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} |
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next.ServeHTTP(w, r) |
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}) |
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} |
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} |
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func (c *BridgeController) isAdmin(ctx context.Context) error { |
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user := models.UserFromContext(ctx) |
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lonelyLights, err := c.groups.FindByID(ctx, 0) |
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if err != nil { |
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return errors.New("Lonely Lights group could not be found") |
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} |
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if !lonelyLights.Permission(user.ID).Write { |
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return httperr.ErrAccessDenied |
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} |
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return nil |
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} |
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|
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// NewBridgeController makes a new bridge controller
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func NewBridgeController(service *light.Service, groups models.GroupRepository) *BridgeController { |
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return &BridgeController{ |
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service: service, |
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groups: groups, |
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} |
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} |
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@ -0,0 +1,195 @@ |
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package controllers |
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|
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import ( |
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"database/sql" |
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"encoding/json" |
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"net/http" |
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"strconv" |
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"git.aiterp.net/lucifer/lucifer/light" |
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"git.aiterp.net/lucifer/lucifer/internal/httperr" |
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|
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"git.aiterp.net/lucifer/lucifer/internal/respond" |
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"git.aiterp.net/lucifer/lucifer/models" |
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"github.com/gorilla/mux" |
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"golang.org/x/sync/errgroup" |
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) |
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// The LightController is a controller for light matters.
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type LightController struct { |
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service *light.Service |
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groups models.GroupRepository |
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users models.UserRepository |
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lights models.LightRepository |
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} |
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// getLights (`GET /:id`): Get user by id
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func (c *LightController) getLights(w http.ResponseWriter, r *http.Request) { |
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user := models.UserFromContext(r.Context()) |
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groups, err := c.groups.ListByUser(r.Context(), *user) |
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if err != nil { |
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httperr.Respond(w, err) |
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return |
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} |
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allLights := make([]models.Light, 0, len(groups)*8) |
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eg, egCtx := errgroup.WithContext(r.Context()) |
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for i := range groups { |
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group := groups[i] |
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eg.Go(func() error { |
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lights, err := c.lights.ListByGroup(egCtx, group) |
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if err != nil { |
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return err |
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} |
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allLights = append(allLights, lights...) |
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return nil |
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}) |
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} |
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if err := eg.Wait(); err != nil { |
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httperr.Respond(w, err) |
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return |
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} |
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respond.Data(w, allLights) |
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} |
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func (c *LightController) getLight(w http.ResponseWriter, r *http.Request) { |
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_, light, err := c.findLight(r) |
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if err != nil { |
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httperr.Respond(w, err) |
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return |
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} |
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respond.Data(w, light) |
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} |
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func (c *LightController) updateLight(w http.ResponseWriter, r *http.Request) { |
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patch := struct { |
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Color *string `json:"color,omitempty"` |
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Brightness *int `json:"brightness,omitempty"` |
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On *bool `json:"on,omitempty"` |
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Name *string `json:"name,omitempty"` |
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GroupID *int `json:"groupId,omitempty"` |
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}{} |
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if err := json.NewDecoder(r.Body).Decode(&patch); err != nil { |
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respond.Error(w, http.StatusBadRequest, "invalid_json", "Input is not valid JSON.") |
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return |
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} |
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|
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group, light, err := c.findLight(r) |
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if err != nil { |
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httperr.Respond(w, err) |
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return |
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} |
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if patch.Color != nil { |
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err := light.SetColor(*patch.Color) |
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if err != nil { |
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httperr.Respond(w, err) |
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return |
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} |
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} |
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if patch.Name != nil { |
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if len(*patch.Name) == 0 { |
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respond.Error(w, 400, "invalid_name", "The name is empty.") |
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return |
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} |
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light.Name = *patch.Name |
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} |
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if patch.Brightness != nil { |
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if *patch.Brightness < 0 || *patch.Brightness > 255 { |
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respond.Error(w, 400, "invalid_brightness", "The brightness must be a value between 0-255 inclusive.") |
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return |
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} |
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|
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light.Brightness = uint8(*patch.Brightness) |
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} |
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if patch.On != nil { |
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light.On = *patch.On |
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} |
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if patch.GroupID != nil && *patch.GroupID != light.GroupID { |
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user := models.UserFromContext(r.Context()) |
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if !group.Permission(user.ID).Delete { |
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respond.Error(w, 403, "cannot_move_out", "You are not permitted to delete lights from group.") |
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return |
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} |
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|
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// Anyone is allowed to move lights TO group 0 (Lonely Lights) as it's the closest thing there is
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// to deleting lights.
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if *patch.GroupID != 0 { |
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targetGroup, err := c.groups.FindByID(r.Context(), *patch.GroupID) |
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if err != nil { |
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respond.Error(w, 404, "group_not_found", "The group could not be found.") |
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return |
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} |
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if !targetGroup.Permission(user.ID).Create { |
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respond.Error(w, 403, "cannot_move_in", "You are not permitted to create lights in target group.") |
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return |
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} |
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} |
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|
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light.GroupID = *patch.GroupID |
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} |
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|
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err = c.service.UpdateLight(r.Context(), light) |
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if err != nil { |
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httperr.Respond(w, err) |
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return |
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} |
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|
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respond.Data(w, light) |
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} |
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|
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// Mount mounts the controller
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func (c *LightController) Mount(router *mux.Router, prefix string) { |
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sub := router.PathPrefix(prefix).Subrouter() |
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|
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sub.HandleFunc("/", c.getLights).Methods("GET") |
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sub.HandleFunc("/{id}", c.getLight).Methods("GET") |
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sub.HandleFunc("/{id}", c.updateLight).Methods("PATCH", "PUT") |
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} |
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|
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func (c *LightController) findLight(r *http.Request) (models.Group, models.Light, error) { |
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user := models.UserFromContext(r.Context()) |
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|
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idStr := mux.Vars(r)["id"] |
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id, err := strconv.ParseInt(idStr, 10, 32) |
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if err != nil { |
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return models.Group{}, models.Light{}, &httperr.Error{Status: http.StatusForbidden, Kind: "invalid_id", Message: "The light id " + idStr + " is not valid."} |
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} |
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|
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light, err := c.lights.FindByID(r.Context(), int(id)) |
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if err == sql.ErrNoRows { |
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return models.Group{}, models.Light{}, httperr.NotFound("Light") |
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} else if err != nil { |
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return models.Group{}, models.Light{}, err |
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} |
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|
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group, err := c.groups.FindByID(r.Context(), light.GroupID) |
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if err == sql.ErrNoRows { |
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return models.Group{}, models.Light{}, httperr.NotFound("Group") |
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} else if err != nil { |
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return models.Group{}, models.Light{}, err |
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} |
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|
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if !group.Permission(user.ID).Read { |
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return models.Group{}, models.Light{}, &httperr.Error{Status: http.StatusForbidden, Kind: "permission_denied", Message: "Thou canst not see the light."} |
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} |
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|
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return group, light, nil |
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} |
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|
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// NewLightController creates a new LightController.
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func NewLightController(service *light.Service, groups models.GroupRepository, users models.UserRepository, lights models.LightRepository) *LightController { |
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return &LightController{service: service, groups: groups, users: users, lights: lights} |
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} |
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