Enable more privacy for some themes and layers

assets/layers/advertising/advertising.json

@@ -28,6 +28,7 @@
     "pt_BR": "Completaremos os dados das características de publicidade com referência, operador e iluminação",
     "it": "Completeremo i dati da caratteristiche pubblicitarie, con referenza, operatore e illuminazione"
   },
+  "enableMorePrivacy": true,
   "source": {
     "osmTags": {
       "and": [

assets/layers/brothel/brothel.json

@@ -11,6 +11,7 @@
   "source": {
     "osmTags": "amenity=brothel"
   },
+  "enableMorePrivacy": true,
   "minzoom": 6,
   "title": {
     "render": {

assets/layers/love_hotel/love_hotel.json

@@ -8,6 +8,7 @@
     "en": "A love hotel is a type of short-stay hotel found around the world operated primarily for the purpose of allowing guests privacy for sexual activities",
     "de": "Ein Love Hotel ist eine Art Kurzzeithotel, das in erster Linie zu dem Zweck betrieben wird, den Gästen Privatsphäre für sexuelle Aktivitäten zu bieten"
   },
+  "enableMorePrivacy": true,
   "source": {
     "osmTags": "amenity=love_hotel"
   },

assets/layers/stripclub/stripclub.json

@@ -8,6 +8,7 @@
     "en": "A venue where erotic dance, striptease, or lap dances are performed commercially. ",
     "de": "Ein Ort, an dem erotische Tanz-, Striptease- oder Lapdances kommerziell durchgeführt werden. "
   },
+  "enableMorePrivacy": true,
   "source": {
     "osmTags": "amenity=stripclub"
   },

assets/layers/surveillance_camera/surveillance_camera.json

@@ -22,6 +22,7 @@
     "cs": "Tato vrstva zobrazuje sledovací kamery a umožňuje přispěvateli aktualizovat informace a přidávat nové kamery",
     "sl": "Ta sloj prikazuje nadzorne kamere in urednikom omogoča posodabljanje informacij obstoječih in dodajanje novih kamer"
   },
+  "enableMorePrivacy": true,
   "source": {
     "osmTags": {
       "and": [

assets/themes/openlovemap/openlovemap.json

@@ -12,6 +12,7 @@
   },
   "icon": "./assets/layers/stripclub/stripclub.svg",
   "hideFromOverview": true,
+  "enableMorePrivacy": true,
   "layers": [
     "brothel",
     "stripclub",

assets/themes/surveillance/surveillance.json

@@ -52,6 +52,7 @@
   },
   "icon": "./assets/themes/surveillance/logo.svg",
   "defaultBackgroundId": "maptiler.carto",
+  "enableMorePrivacy": true,
   "layers": [
     "surveillance_camera",
     {

src/Logic/Osm/Changes.ts

@@ -19,6 +19,7 @@ import Title from "../../UI/Base/Title"
 import Table from "../../UI/Base/Table"
 import ChangeLocationAction from "./Actions/ChangeLocationAction"
 import ChangeTagAction from "./Actions/ChangeTagAction"
+import FeatureSwitchState from "../State/FeatureSwitchState"
 
 /**
  * Handles all changes made to OSM.
@@ -28,7 +29,7 @@ export class Changes {
     public readonly pendingChanges: UIEventSource<ChangeDescription[]> =
         LocalStorageSource.GetParsed<ChangeDescription[]>("pending-changes", [])
     public readonly allChanges = new UIEventSource<ChangeDescription[]>(undefined)
-    public readonly state: { allElements?: IndexedFeatureSource; osmConnection: OsmConnection }
+    public readonly state: { allElements?: IndexedFeatureSource; osmConnection: OsmConnection, featureSwitches?: FeatureSwitchState }
     public readonly extraComment: UIEventSource<string> = new UIEventSource(undefined)
     public readonly backend: string
     public readonly isUploading = new UIEventSource(false)
@@ -45,7 +46,8 @@ export class Changes {
             allElements?: IndexedFeatureSource
             featurePropertiesStore?: FeaturePropertiesStore
             osmConnection: OsmConnection
-            historicalUserLocations?: FeatureSource
+            historicalUserLocations?: FeatureSource,
+            featureSwitches?: FeatureSwitchState
         },
         leftRightSensitive: boolean = false
     ) {
@@ -431,6 +433,9 @@ export class Changes {
             // Probably irrelevant, such as a new helper node
             return
         }
+        if(this.state.featureSwitches.featureSwitchMorePrivacy?.data){
+            return
+        }
 
         const now = new Date()
         const recentLocationPoints = locations

src/Logic/Osm/ChangesetHandler.ts

@@ -6,14 +6,6 @@ import Constants from "../../Models/Constants"
 import { Changes } from "./Changes"
 import { Utils } from "../../Utils"
 import FeaturePropertiesStore from "../FeatureSource/Actors/FeaturePropertiesStore"
-import ChangeLocationAction from "./Actions/ChangeLocationAction"
-import ChangeTagAction from "./Actions/ChangeTagAction"
-import DeleteAction from "./Actions/DeleteAction"
-import LinkImageAction from "./Actions/LinkImageAction"
-import OsmChangeAction from "./Actions/OsmChangeAction"
-import RelationSplitHandler from "./Actions/RelationSplitHandler"
-import ReplaceGeometryAction from "./Actions/ReplaceGeometryAction"
-import SplitAction from "./Actions/SplitAction"
 
 export interface ChangesetTag {
     key: string
@@ -232,7 +224,7 @@ export class ChangesetHandler {
             if (newMetaTag === undefined) {
                 extraMetaTags.push({
                     key: key,
-                    value: oldCsTags[key],
+                    value: oldCsTags[key]
                 })
                 continue
             }
@@ -361,21 +353,22 @@ export class ChangesetHandler {
     }
 
     private defaultChangesetTags(): ChangesetTag[] {
+        const usedGps = this.changes.state["currentUserLocation"]?.features?.data?.length > 0
+        const hasMorePrivacy = !!this.changes.state?.featureSwitches?.featureSwitchMorePrivacy?.data
+        const setSourceAsSurvey = !hasMorePrivacy && usedGps
         return [
             ["created_by", `MapComplete ${Constants.vNumber}`],
             ["locale", Locale.language.data],
             ["host", `${window.location.origin}${window.location.pathname}`],
             [
                 "source",
-                this.changes.state["currentUserLocation"]?.features?.data?.length > 0
+                setSourceAsSurvey                    ? "survey"                    : undefined
-                    ? "survey"
-                    : undefined,
             ],
-            ["imagery", this.changes.state["backgroundLayer"]?.data?.id],
+            ["imagery", this.changes.state["backgroundLayer"]?.data?.id]
         ].map(([key, value]) => ({
             key,
             value,
-            aggregate: false,
+            aggregate: false
         }))
     }
 

src/Logic/State/FeatureSwitchState.ts

@@ -63,6 +63,7 @@ export default class FeatureSwitchState extends OsmConnectionFeatureSwitches {
     public readonly overpassMaxZoom: UIEventSource<number>
     public readonly osmApiTileSize: UIEventSource<number>
     public readonly backgroundLayerId: UIEventSource<string>
+    public readonly featureSwitchMorePrivacy: UIEventSource<boolean>
 
     public constructor(layoutToUse?: LayoutConfig) {
         super()
@@ -164,6 +165,14 @@ export default class FeatureSwitchState extends OsmConnectionFeatureSwitches {
             "If true, shows some extra debugging help such as all the available tags on every object"
         )
 
+
+        this.featureSwitchMorePrivacy = QueryParameters.GetBooleanQueryParameter(
+            "moreprivacy",
+            layoutToUse.enableMorePrivacy,
+            "If true, the location distance indication will not be written to the changeset and other privacy enhancing measures might be taken."
+        )
+
+
         this.overpassUrl = QueryParameters.GetQueryParameter(
             "overpassUrl",
             (layoutToUse?.overpassUrl ?? Constants.defaultOverpassUrls).join(","),

src/Models/ThemeConfig/Json/LayerConfigJson.ts

@@ -554,4 +554,15 @@ export interface LayerConfigJson {
      * group: hidden
      */
     fullNodeDatabase?: boolean
+
+    /**
+     * question: Should a theme using this layer leak some location info when making changes?
+     *
+     * When a changeset is made, a 'distance to object'-class is written to the changeset.
+     * For some particular themes and layers, this might leak too much information, and we want to obfuscate this
+     *
+     * ifunset: Write 'change_within_x_m' as usual and if GPS is enabled
+     * iftrue: Do not write 'change_within_x_m' and do not indicate that this was done by survey
+     */
+    enableMorePrivacy: boolean
 }

src/Models/ThemeConfig/Json/LayoutConfigJson.ts

@@ -439,4 +439,16 @@ export interface LayoutConfigJson {
      * group: hidden
      */
     enableNodeDatabase?: boolean
+
+    /**
+     * question: Should this theme leak some location info when making changes?
+     *
+     * When a changeset is made, a 'distance to object'-class is written to the changeset.
+     * For some particular themes and layers, this might leak too much information, and we want to obfuscate this
+     *
+     * ifunset: Write 'change_within_x_m' as usual and if GPS is enabled
+     * iftrue: Do not write 'change_within_x_m' and do not indicate that this was done by survey
+     */
+    enableMorePrivacy: boolean
+
 }

src/Models/ThemeConfig/LayerConfig.ts

@@ -67,6 +67,7 @@ export default class LayerConfig extends WithContextLoader {
 
     public readonly _needsFullNodeDatabase: boolean
     public readonly popupInFloatover: boolean | string
+    public readonly enableMorePrivacy: boolean
 
     constructor(json: LayerConfigJson, context?: string, official: boolean = true) {
         context = context + "." + json.id
@@ -149,6 +150,7 @@ export default class LayerConfig extends WithContextLoader {
         this.shownByDefault = json.shownByDefault ?? true
         this.doCount = json.isCounted ?? this.shownByDefault ?? true
         this.forceLoad = json.forceLoad ?? false
+        this.enableMorePrivacy = json.enableMorePrivacy ?? false
         if (json.presets === null) json.presets = undefined
         if (json.presets !== undefined && json.presets?.map === undefined) {
             throw "Presets should be a list of items (at " + context + ")"

src/Models/ThemeConfig/LayoutConfig.ts

@@ -63,6 +63,8 @@ export default class LayoutConfig implements LayoutInformation {
     public readonly enableExportButton: boolean
     public readonly enablePdfDownload: boolean
     public readonly enableTerrain: boolean
+    public readonly enableMorePrivacy: boolean
+
 
     public readonly customCss?: string
 
@@ -204,6 +206,7 @@ export default class LayoutConfig implements LayoutInformation {
         this.overpassTimeout = json.overpassTimeout ?? 30
         this.overpassMaxZoom = json.overpassMaxZoom ?? 16
         this.osmApiTileSize = json.osmApiTileSize ?? this.overpassMaxZoom + 1
+        this.enableMorePrivacy = json.enableMorePrivacy || json.layers.some(l => (<LayerConfigJson> l).enableMorePrivacy)
 
         this.layersDict = new Map<string, LayerConfig>()
         for (const layer of this.layers) {

src/Models/ThemeViewState.ts

@@ -265,6 +265,7 @@ export default class ThemeViewState implements SpecialVisualizationState {
                     featurePropertiesStore: this.featureProperties,
                     osmConnection: this.osmConnection,
                     historicalUserLocations: this.geolocation.historicalUserLocations,
+                    featureSwitches: this.featureSwitches
                 },
                 layout?.isLeftRightSensitive() ?? false
             )