{ "type": "excalidraw", "version": 2, "source": "https://excalidraw.com", "elements": [ { "id": "r556531288", "type": "rectangle", "x": 40, "y": 210, "width": 170, "height": 90, "angle": 0, "strokeColor": "#2f6db5", "backgroundColor": "#eef4fb", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 271495107, "versionNonce": 1529707741, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false }, { "id": "t828050784", "type": "text", "x": 50, "y": 218, "width": 46.2, "height": 17.5, "angle": 0, "strokeColor": "#111111", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 1404330102, "versionNonce": 1463427937, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "Client", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "Client", "lineHeight": 1.25, "baseline": 14 }, { "id": "r1370439598", "type": "rectangle", "x": 300, "y": 100, "width": 290, "height": 120, "angle": 0, "strokeColor": "#111111", "backgroundColor": "#ffffff", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 1069296160, "versionNonce": 92584359, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false }, { "id": "t703541180", "type": "text", "x": 310, "y": 108, "width": 84.7, "height": 17.5, "angle": 0, "strokeColor": "#111111", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 104755628, "versionNonce": 163285960, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "Application", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "Application", "lineHeight": 1.25, "baseline": 14 }, { "id": "t140681044", "type": "text", "x": 310, "y": 128, "width": 108.9, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 1486730202, "versionNonce": 84809699, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "mints a valet key:", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "mints a valet key:", "lineHeight": 1.25, "baseline": 11 }, { "id": "t1423350463", "type": "text", "x": 310, "y": 143, "width": 114.95, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 1024681082, "versionNonce": 1652945691, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "scoped, time-bound,", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "scoped, time-bound,", "lineHeight": 1.25, "baseline": 11 }, { "id": "t384844958", "type": "text", "x": 310, "y": 158, "width": 121.00000000000001, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 34656555, "versionNonce": 1952600422, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "operation-restricted", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "operation-restricted", "lineHeight": 1.25, "baseline": 11 }, { "id": "r407535034", "type": "rectangle", "x": 700, "y": 195, "width": 300, "height": 110, "angle": 0, "strokeColor": "#999999", "backgroundColor": "#ffffff", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "dashed", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 125640200, "versionNonce": 589042918, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false }, { "id": "t1289884137", "type": "text", "x": 710, "y": 203, "width": 192.50000000000003, "height": 17.5, "angle": 0, "strokeColor": "#111111", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 1732924236, "versionNonce": 7055615, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "Resource (S3, blob, file)", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "Resource (S3, blob, file)", "lineHeight": 1.25, "baseline": 14 }, { "id": "t740925743", "type": "text", "x": 710, "y": 223, "width": 157.3, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 1973545825, "versionNonce": 1335007044, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "client uploads / downloads", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "client uploads / downloads", "lineHeight": 1.25, "baseline": 11 }, { "id": "t1406716385", "type": "text", "x": 710, "y": 238, "width": 127.05000000000001, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 309916925, "versionNonce": 1664063858, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "directly \u2014 no app hop", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "directly \u2014 no app hop", "lineHeight": 1.25, "baseline": 11 }, { "id": "r1695130919", "type": "rectangle", "x": 300, "y": 300, "width": 290, "height": 110, "angle": 0, "strokeColor": "#999999", "backgroundColor": "#ffffff", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 266347521, "versionNonce": 1096281696, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false }, { "id": "t1520603812", "type": "text", "x": 310, "y": 308, "width": 100.10000000000001, "height": 17.5, "angle": 0, "strokeColor": "#111111", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 1397144803, "versionNonce": 961165133, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "Storage / KMS", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "Storage / KMS", "lineHeight": 1.25, "baseline": 14 }, { "id": "t1257227049", "type": "text", "x": 310, "y": 328, "width": 121.00000000000001, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 259509973, "versionNonce": 1071561589, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "validates the token,", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "validates the token,", "lineHeight": 1.25, "baseline": 11 }, { "id": "t1000194158", "type": "text", "x": 310, "y": 343, "width": 127.05000000000001, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 132950647, "versionNonce": 1091972795, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "permits the named op,", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "permits the named op,", "lineHeight": 1.25, "baseline": 11 }, { "id": "t1329262728", "type": "text", "x": 310, "y": 358, "width": 139.15, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 1969340135, "versionNonce": 1013086177, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "rejects everything else", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "rejects everything else", "lineHeight": 1.25, "baseline": 11 }, { "id": "a1514703751", "type": "arrow", "x": 210, "y": 235, "width": 90, "height": 60, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 2 }, "seed": 1004874457, "versionNonce": 1385891232, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "points": [ [ 0, 0 ], [ 90, -60 ] ], "lastCommittedPoint": null, "startBinding": null, "endBinding": null, "startArrowhead": null, "endArrowhead": "arrow" }, { "id": "t797728305", "type": "text", "x": 255.0, "y": 191.0, "width": 84.7, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 1489121992, "versionNonce": 1221414951, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "1. request key", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "1. request key", "lineHeight": 1.25, "baseline": 11 }, { "id": "a1475053288", "type": "arrow", "x": 300, "y": 195, "width": 90, "height": 63, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 2 }, "seed": 631721936, "versionNonce": 1614288579, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "points": [ [ 0, 0 ], [ -90, 63 ] ], "lastCommittedPoint": null, "startBinding": null, "endBinding": null, "startArrowhead": null, "endArrowhead": "arrow" }, { "id": "t1410186113", "type": "text", "x": 255.0, "y": 212.5, "width": 90.75000000000001, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 211435313, "versionNonce": 416213938, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "2. signed token", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "2. signed token", "lineHeight": 1.25, "baseline": 11 }, { "id": "a1142507184", "type": "arrow", "x": 210, "y": 270, "width": 490, "height": 20, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "dashed", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 2 }, "seed": 380368779, "versionNonce": 1855418420, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "points": [ [ 0, 0 ], [ 490, -20 ] ], "lastCommittedPoint": null, "startBinding": null, "endBinding": null, "startArrowhead": null, "endArrowhead": "arrow" }, { "id": "t1277338467", "type": "text", "x": 455.0, "y": 246.0, "width": 139.15, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 720518034, "versionNonce": 1708841176, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "3. PUT / GET with token", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "3. PUT / GET with token", "lineHeight": 1.25, "baseline": 11 }, { "id": "a1176554412", "type": "arrow", "x": 760, "y": 305, "width": 240, "height": 50, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 2 }, "seed": 438309801, "versionNonce": 1964962108, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "points": [ [ 0, 0 ], [ -240, 50 ] ], "lastCommittedPoint": null, "startBinding": null, "endBinding": null, "startArrowhead": null, "endArrowhead": "arrow" }, { "id": "t1704516055", "type": "text", "x": 640.0, "y": 316.0, "width": 66.55000000000001, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 1559153701, "versionNonce": 822829305, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "4. validate", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "4. validate", "lineHeight": 1.25, "baseline": 11 }, { "id": "t1058424935", "type": "text", "x": 600, "y": 428, "width": 957.0000000000001, "height": 15.0, "angle": 0, "strokeColor": "#2f6db5", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 1011633898, "versionNonce": 1521290155, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "the app never proxies the bytes \u2014 no long-lived credentials at the client (S3 pre-signed URLs, Azure SAS tokens, GCS signed URLs, STS AssumeRole)", "fontSize": 12, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "the app never proxies the bytes \u2014 no long-lived credentials at the client (S3 pre-signed URLs, Azure SAS tokens, GCS signed URLs, STS AssumeRole)", "lineHeight": 1.25, "baseline": 12 } ], "appState": { "viewBackgroundColor": "#ffffff", "gridSize": null }, "files": {} }