Implement API for user register, login and logout

+package-lock.json
+/node_modules/
\ No newline at end of file

+const { json } = require('express/lib/response');
 const mongoose = require('mongoose');
 
 const userSchema = new mongoose.Schema({
     name : {type : String, required : true, unique : true, },
     password : {type : String, required : true, trim : true},
+    total_squart : {type : Number, default : 0},
+    today_squart : {type : Number, default : 0},
+
 });
 
+userSchema.methods.passwordCheck = function(password, cb) {
+    if (password === this.password) 
+        cb(null, isMatch);
+}
+
+
+
+const User = mongoose.model('squartuser', userSchema )
+module.exports = {User};
 
-module.exports = mongoose.model('squartuser', userSchema )
 

@@ -4,6 +4,25 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
+    "@types/node": {
+      "version": "17.0.36",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-17.0.36.tgz",
+      "integrity": "sha512-V3orv+ggDsWVHP99K3JlwtH20R7J4IhI1Kksgc+64q5VxgfRkQG8Ws3MFm/FZOKDYGy9feGFlZ70/HpCNe9QaA=="
+    },
+    "@types/webidl-conversions": {
+      "version": "6.1.1",
+      "resolved": "https://registry.npmjs.org/@types/webidl-conversions/-/webidl-conversions-6.1.1.tgz",
+      "integrity": "sha512-XAahCdThVuCFDQLT7R7Pk/vqeObFNL3YqRyFZg+AqAP/W1/w3xHaIxuW7WszQqTbIBOPRcItYJIou3i/mppu3Q=="
+    },
+    "@types/whatwg-url": {
+      "version": "8.2.1",
+      "resolved": "https://registry.npmjs.org/@types/whatwg-url/-/whatwg-url-8.2.1.tgz",
+      "integrity": "sha512-2YubE1sjj5ifxievI5Ge1sckb9k/Er66HyR2c+3+I6VDUUg1TLPdYYTEbQ+DjRkS4nTxMJhgWfSfMRD2sl2EYQ==",
+      "requires": {
+        "@types/node": "*",
+        "@types/webidl-conversions": "*"
+      }
+    },
     "accepts": {
       "version": "1.3.8",
       "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.8.tgz",
@@ -13,11 +32,26 @@
         "negotiator": "0.6.3"
       }
     },
+    "any-promise": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/any-promise/-/any-promise-1.3.0.tgz",
+      "integrity": "sha512-7UvmKalWRt1wgjL1RrGxoSJW/0QZFIegpeGvZG9kjp8vrRu55XTHbwnqq2GpXm9uLbcuhxm3IqX9OB4MZR1b2A=="
+    },
     "array-flatten": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
       "integrity": "sha512-PCVAQswWemu6UdxsDFFX/+gVeYqKAod3D3UVm91jHwynguOwAvYPhx8nNlM++NqRcK6CxxpUafjmhIdKiHibqg=="
     },
+    "base64-js": {
+      "version": "1.5.1",
+      "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.5.1.tgz",
+      "integrity": "sha512-AKpaYlHn8t4SVbOHCy+b5+KKgvR4vrsD8vbvrbiQJps7fKDTkjkDry6ji0rUJjC0kzbNePLwzxq8iypo41qeWA=="
+    },
+    "base64-url": {
+      "version": "1.3.3",
+      "resolved": "https://registry.npmjs.org/base64-url/-/base64-url-1.3.3.tgz",
+      "integrity": "sha512-UiVPRwO/m133KIQrOEIqO07D8jaYjFIx7/lYRWTRVR23tDSn00Ves6A+Bk0eLmhyz6IJGSFlNCKUuUBO2ssytA=="
+    },
     "body-parser": {
       "version": "1.20.0",
       "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.20.0.tgz",
@@ -37,6 +71,23 @@
         "unpipe": "1.0.0"
       }
     },
+    "bson": {
+      "version": "4.6.4",
+      "resolved": "https://registry.npmjs.org/bson/-/bson-4.6.4.tgz",
+      "integrity": "sha512-TdQ3FzguAu5HKPPlr0kYQCyrYUYh8tFM+CMTpxjNzVzxeiJY00Rtuj3LXLHSgiGvmaWlZ8PE+4KyM2thqE38pQ==",
+      "requires": {
+        "buffer": "^5.6.0"
+      }
+    },
+    "buffer": {
+      "version": "5.7.1",
+      "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.7.1.tgz",
+      "integrity": "sha512-EHcyIPBQ4BSGlvjB16k5KgAJ27CIsHY/2JBmCRReo48y9rQ3MaUzWX3KVlBa4U7MyX02HdVj0K7C3WaB3ju7FQ==",
+      "requires": {
+        "base64-js": "^1.3.1",
+        "ieee754": "^1.1.13"
+      }
+    },
     "bytes": {
       "version": "3.1.2",
       "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.2.tgz",
@@ -74,6 +125,11 @@
       "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz",
       "integrity": "sha1-4wOogrNCzD7oylE6eZmXNNqzriw="
     },
+    "crc": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/crc/-/crc-3.0.0.tgz",
+      "integrity": "sha512-+AjruG0m/tAAr6vckAT/fRlIk59IjTfdOisWu6P+Q7+BUaD1PYDeYaQKkO1hkBbv4rFDtwIZpvnbtPC/OF/W1w=="
+    },
     "debug": {
       "version": "2.6.9",
       "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
@@ -82,6 +138,11 @@
         "ms": "2.0.0"
       }
     },
+    "denque": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/denque/-/denque-2.0.1.tgz",
+      "integrity": "sha512-tfiWc6BQLXNLpNiR5iGd0Ocu3P3VpxfzFiqubLgMfhfOw9WyvgJBd46CClNn9k3qfbjvT//0cf7AlYRX/OslMQ=="
+    },
     "depd": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/depd/-/depd-2.0.0.tgz",
@@ -150,6 +211,28 @@
         "vary": "~1.1.2"
       }
     },
+    "express-session": {
+      "version": "1.17.3",
+      "resolved": "https://registry.npmjs.org/express-session/-/express-session-1.17.3.tgz",
+      "integrity": "sha512-4+otWXlShYlG1Ma+2Jnn+xgKUZTMJ5QD3YvfilX3AcocOAbIkVylSWEklzALe/+Pu4qV6TYBj5GwOBFfdKqLBw==",
+      "requires": {
+        "cookie": "0.4.2",
+        "cookie-signature": "1.0.6",
+        "debug": "2.6.9",
+        "depd": "~2.0.0",
+        "on-headers": "~1.0.2",
+        "parseurl": "~1.3.3",
+        "safe-buffer": "5.2.1",
+        "uid-safe": "~2.1.5"
+      },
+      "dependencies": {
+        "cookie": {
+          "version": "0.4.2",
+          "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.4.2.tgz",
+          "integrity": "sha512-aSWTXFzaKWkvHO1Ny/s+ePFpvKsPnjc551iI41v3ny/ow6tBG5Vd+FuqGNhh1LxOmVzOlGUriIlOaokOvhaStA=="
+        }
+      }
+    },
     "finalhandler": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.2.0.tgz",
@@ -222,21 +305,42 @@
         "safer-buffer": ">= 2.1.2 < 3"
       }
     },
+    "ieee754": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/ieee754/-/ieee754-1.2.1.tgz",
+      "integrity": "sha512-dcyqhDvX1C46lXZcVqCpK+FtMRQVdIMN6/Df5js2zouUsqG7I6sFxitIC+7KYK29KdXOLHdu9zL4sFnoVQnqaA=="
+    },
     "inherits": {
       "version": "2.0.4",
       "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
       "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ=="
     },
+    "ip": {
+      "version": "1.1.8",
+      "resolved": "https://registry.npmjs.org/ip/-/ip-1.1.8.tgz",
+      "integrity": "sha512-PuExPYUiu6qMBQb4l06ecm6T6ujzhmh+MeJcW9wa89PoAz5pvd4zPgN5WJV104mb6S2T1AwNIAaB70JNrLQWhg=="
+    },
     "ipaddr.js": {
       "version": "1.9.1",
       "resolved": "https://registry.npmjs.org/ipaddr.js/-/ipaddr.js-1.9.1.tgz",
       "integrity": "sha512-0KI/607xoxSToH7GjN1FfSbLoU0+btTicjsQSWQlh/hZykN8KpmMf7uYwPW3R+akZ6R/w18ZlXSHBYXiYUPO3g=="
     },
+    "kareem": {
+      "version": "2.3.5",
+      "resolved": "https://registry.npmjs.org/kareem/-/kareem-2.3.5.tgz",
+      "integrity": "sha512-qxCyQtp3ioawkiRNQr/v8xw9KIviMSSNmy+63Wubj7KmMn3g7noRXIZB4vPCAP+ETi2SR8eH6CvmlKZuGpoHOg=="
+    },
     "media-typer": {
       "version": "0.3.0",
       "resolved": "https://registry.npmjs.org/media-typer/-/media-typer-0.3.0.tgz",
       "integrity": "sha1-hxDXrwqmJvj/+hzgAWhUUmMlV0g="
     },
+    "memory-pager": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/memory-pager/-/memory-pager-1.5.0.tgz",
+      "integrity": "sha512-ZS4Bp4r/Zoeq6+NLJpP+0Zzm0pR8whtGPf1XExKLJBAczGMnSi3It14OiNCStjQjM6NU1okjQGSxgEZN8eBYKg==",
+      "optional": true
+    },
     "merge-descriptors": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/merge-descriptors/-/merge-descriptors-1.0.1.tgz",
@@ -265,11 +369,164 @@
         "mime-db": "1.52.0"
       }
     },
+    "mongodb": {
+      "version": "4.5.0",
+      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-4.5.0.tgz",
+      "integrity": "sha512-A2l8MjEpKojnhbCM0MK3+UOGUSGvTNNSv7AkP1fsT7tkambrkkqN/5F2y+PhzsV0Nbv58u04TETpkaSEdI2zKA==",
+      "requires": {
+        "bson": "^4.6.2",
+        "denque": "^2.0.1",
+        "mongodb-connection-string-url": "^2.5.2",
+        "saslprep": "^1.0.3",
+        "socks": "^2.6.2"
+      }
+    },
+    "mongodb-connection-string-url": {
+      "version": "2.5.2",
+      "resolved": "https://registry.npmjs.org/mongodb-connection-string-url/-/mongodb-connection-string-url-2.5.2.tgz",
+      "integrity": "sha512-tWDyIG8cQlI5k3skB6ywaEA5F9f5OntrKKsT/Lteub2zgwSUlhqEN2inGgBTm8bpYJf8QYBdA/5naz65XDpczA==",
+      "requires": {
+        "@types/whatwg-url": "^8.2.1",
+        "whatwg-url": "^11.0.0"
+      }
+    },
+    "mongoose": {
+      "version": "6.3.4",
+      "resolved": "https://registry.npmjs.org/mongoose/-/mongoose-6.3.4.tgz",
+      "integrity": "sha512-UP0azyGMdY+2YNbJUHeHhnVw5vPzCqs4GQDUwHkilif/rwmSZktUQhQWMp1pUgRNeF2JC30vWGLrInZxD7K/Qw==",
+      "requires": {
+        "bson": "^4.6.2",
+        "kareem": "2.3.5",
+        "mongodb": "4.5.0",
+        "mpath": "0.9.0",
+        "mquery": "4.0.3",
+        "ms": "2.1.3",
+        "sift": "16.0.0"
+      },
+      "dependencies": {
+        "ms": {
+          "version": "2.1.3",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
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+        }
+      }
+    },
+    "mongoose-session": {
+      "version": "0.0.4",
+      "resolved": "https://registry.npmjs.org/mongoose-session/-/mongoose-session-0.0.4.tgz",
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+      "requires": {
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+            "debug": "~2.0.0",
+            "depd": "0.4.5",
+            "on-headers": "~1.0.0",
+            "parseurl": "~1.3.0",
+            "uid-safe": "1.0.1",
+            "utils-merge": "1.0.0"
+          }
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+        },
+        "uid-safe": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/uid-safe/-/uid-safe-1.0.1.tgz",
+          "integrity": "sha1-W9FIRgouhPVPGT/SA1LIw9feasg=",
+          "requires": {
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+            "mz": "1"
+          }
+        },
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+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.0.tgz",
+          "integrity": "sha1-ApT7kiu5N1FTVBxPcJYjHyh8ivg="
+        }
+      }
+    },
+    "mpath": {
+      "version": "0.9.0",
+      "resolved": "https://registry.npmjs.org/mpath/-/mpath-0.9.0.tgz",
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+    },
+    "mquery": {
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/mquery/-/mquery-4.0.3.tgz",
+      "integrity": "sha512-J5heI+P08I6VJ2Ky3+33IpCdAvlYGTSUjwTPxkAr8i8EoduPMBX2OY/wa3IKZIQl7MU4SbFk8ndgSKyB/cl1zA==",
+      "requires": {
+        "debug": "4.x"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "4.3.4",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.4.tgz",
+          "integrity": "sha512-PRWFHuSU3eDtQJPvnNY7Jcket1j0t5OuOsFzPPzsekD52Zl8qUfFIPEiswXqIvHWGVHOgX+7G/vCNNhehwxfkQ==",
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+        }
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     "ms": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
       "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
     },
+    "mz": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/mz/-/mz-1.3.0.tgz",
+      "integrity": "sha512-x+R7YSsEySSpV5uEB+C47JTmxv+YKKNsW3W+hjvq8NbLn8ntLgYXGrR5RjQ3Fs0e7Chw8Rp/1e5eo0n5LP76cw==",
+      "requires": {
+        "native-or-bluebird": "1",
+        "thenify": "3",
+        "thenify-all": "1"
+      }
+    },
+    "native-or-bluebird": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/native-or-bluebird/-/native-or-bluebird-1.2.0.tgz",
+      "integrity": "sha512-0SH8UubxDfe382eYiwmd12qxAbiWGzlGZv6CkMA+DPojWa/Y0oH4hE0lRtFfFgJmPQFyKXeB8XxPbZz6TvvKaQ=="
+    },
     "negotiator": {
       "version": "0.6.3",
       "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.3.tgz",
@@ -288,6 +545,11 @@
         "ee-first": "1.1.1"
       }
     },
+    "on-headers": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/on-headers/-/on-headers-1.0.2.tgz",
+      "integrity": "sha512-pZAE+FJLoyITytdqK0U5s+FIpjN0JP3OzFi/u8Rx+EV5/W+JTWGXG8xFzevE7AjBfDqHv/8vL8qQsIhHnqRkrA=="
+    },
     "parseurl": {
       "version": "1.3.3",
       "resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.3.3.tgz",
@@ -307,6 +569,11 @@
         "ipaddr.js": "1.9.1"
       }
     },
+    "punycode": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.1.1.tgz",
+      "integrity": "sha512-XRsRjdf+j5ml+y/6GKHPZbrF/8p2Yga0JPtdqTIY2Xe5ohJPD9saDJJLPvp9+NSBprVvevdXZybnj2cv8OEd0A=="
+    },
     "qs": {
       "version": "6.10.3",
       "resolved": "https://registry.npmjs.org/qs/-/qs-6.10.3.tgz",
@@ -315,6 +582,11 @@
         "side-channel": "^1.0.4"
       }
     },
+    "random-bytes": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/random-bytes/-/random-bytes-1.0.0.tgz",
+      "integrity": "sha512-iv7LhNVO047HzYR3InF6pUcUsPQiHTM1Qal51DcGSuZFBil1aBBWG5eHPNek7bvILMaYJ/8RU1e8w1AMdHmLQQ=="
+    },
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       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/range-parser/-/range-parser-1.2.1.tgz",
@@ -341,6 +613,15 @@
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     },
+    "saslprep": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/saslprep/-/saslprep-1.0.3.tgz",
+      "integrity": "sha512-/MY/PEMbk2SuY5sScONwhUDsV2p77Znkb/q3nSVstq/yQzYJOH/Azh29p9oJLsl3LnQwSvZDKagDGBsBwSooag==",
+      "optional": true,
+      "requires": {
+        "sparse-bitfield": "^3.0.3"
+      }
+    },
     "send": {
       "version": "0.18.0",
       "resolved": "https://registry.npmjs.org/send/-/send-0.18.0.tgz",
@@ -394,16 +675,68 @@
         "object-inspect": "^1.9.0"
       }
     },
+    "sift": {
+      "version": "16.0.0",
+      "resolved": "https://registry.npmjs.org/sift/-/sift-16.0.0.tgz",
+      "integrity": "sha512-ILTjdP2Mv9V1kIxWMXeMTIRbOBrqKc4JAXmFMnFq3fKeyQ2Qwa3Dw1ubcye3vR+Y6ofA0b9gNDr/y2t6eUeIzQ=="
+    },
+    "smart-buffer": {
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/smart-buffer/-/smart-buffer-4.2.0.tgz",
+      "integrity": "sha512-94hK0Hh8rPqQl2xXc3HsaBoOXKV20MToPkcXvwbISWLEs+64sBq5kFgn2kJDHb1Pry9yrP0dxrCI9RRci7RXKg=="
+    },
+    "socks": {
+      "version": "2.6.2",
+      "resolved": "https://registry.npmjs.org/socks/-/socks-2.6.2.tgz",
+      "integrity": "sha512-zDZhHhZRY9PxRruRMR7kMhnf3I8hDs4S3f9RecfnGxvcBHQcKcIH/oUcEWffsfl1XxdYlA7nnlGbbTvPz9D8gA==",
+      "requires": {
+        "ip": "^1.1.5",
+        "smart-buffer": "^4.2.0"
+      }
+    },
+    "sparse-bitfield": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/sparse-bitfield/-/sparse-bitfield-3.0.3.tgz",
+      "integrity": "sha1-/0rm5oZWBWuks+eSqzM004JzyhE=",
+      "optional": true,
+      "requires": {
+        "memory-pager": "^1.0.2"
+      }
+    },
     "statuses": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/statuses/-/statuses-2.0.1.tgz",
       "integrity": "sha512-RwNA9Z/7PrK06rYLIzFMlaF+l73iwpzsqRIFgbMLbTcLD6cOao82TaWefPXQvB2fOC4AjuYSEndS7N/mTCbkdQ=="
     },
+    "thenify": {
+      "version": "3.3.1",
+      "resolved": "https://registry.npmjs.org/thenify/-/thenify-3.3.1.tgz",
+      "integrity": "sha512-RVZSIV5IG10Hk3enotrhvz0T9em6cyHBLkH/YAZuKqd8hRkKhSfCGIcP2KUY0EPxndzANBmNllzWPwak+bheSw==",
+      "requires": {
+        "any-promise": "^1.0.0"
+      }
+    },
+    "thenify-all": {
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/thenify-all/-/thenify-all-1.6.0.tgz",
+      "integrity": "sha1-GhkY1ALY/D+Y+/I02wvMjMEOlyY=",
+      "requires": {
+        "thenify": ">= 3.1.0 < 4"
+      }
+    },
     "toidentifier": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.1.tgz",
       "integrity": "sha512-o5sSPKEkg/DIQNmH43V0/uerLrpzVedkUh8tGNvaeXpfpuwjKenlSox/2O/BTlZUtEe+JG7s5YhEz608PlAHRA=="
     },
+    "tr46": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/tr46/-/tr46-3.0.0.tgz",
+      "integrity": "sha512-l7FvfAHlcmulp8kr+flpQZmVwtu7nfRV7NZujtN0OqES8EL4O4e0qqzL0DC5gAvx/ZC/9lk6rhcUwYvkBnBnYA==",
+      "requires": {
+        "punycode": "^2.1.1"
+      }
+    },
     "type-is": {
       "version": "1.6.18",
       "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.18.tgz",
@@ -413,6 +746,14 @@
         "mime-types": "~2.1.24"
       }
     },
+    "uid-safe": {
+      "version": "2.1.5",
+      "resolved": "https://registry.npmjs.org/uid-safe/-/uid-safe-2.1.5.tgz",
+      "integrity": "sha512-KPHm4VL5dDXKz01UuEd88Df+KzynaohSL9fBh096KWAxSKZQDI2uBrVqtvRM4rwrIrRRKsdLNML/lnaaVSRioA==",
+      "requires": {
+        "random-bytes": "~1.0.0"
+      }
+    },
     "unpipe": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
@@ -427,6 +768,20 @@
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
       "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
+    },
+    "webidl-conversions": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-7.0.0.tgz",
+      "integrity": "sha512-VwddBukDzu71offAQR975unBIGqfKZpM+8ZX6ySk8nYhVoo5CYaZyzt3YBvYtRtO+aoGlqxPg/B87NGVZ/fu6g=="
+    },
+    "whatwg-url": {
+      "version": "11.0.0",
+      "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-11.0.0.tgz",
+      "integrity": "sha512-RKT8HExMpoYx4igMiVMY83lN6UeITKJlBQ+vR/8ZJ8OCdSiN3RwCq+9gH0+Xzj0+5IrM6i4j/6LuvzbZIQgEcQ==",
+      "requires": {
+        "tr46": "^3.0.0",
+        "webidl-conversions": "^7.0.0"
+      }
     }
   }
 }

@@ -15,6 +15,8 @@
   "license": "ISC",
   "dependencies": {
     "express": "^4.18.1",
-    "mongoose": "^6.3.4"
+    "express-session": "^1.17.3",
+    "mongoose": "^6.3.4",
+    "mongoose-session": "0.0.4"
   }
 }

 const express = require('express');
+
+
 const app = express();
+
+
 const port = 3000
 
+
 app.get('/', (req,res) => {
     res.send("Hello World")
 })
 
 app.listen(port, () => {
     console.log(`Listening on ${port} port`);
-})
\ No newline at end of file
+})
+
+// model/user.js
+const { User } = require('./model/User');
+const mongoose = require('mongoose');
+// db 연결을 위한 키 값 , 보안을 위해 최종 마스터 브런치에는 포함하지 않을 예정. 
+mongoose.connect('mongodb+srv://kongtae:ksas9825!%40@squartusers.e2ddc.mongodb.net/?retryWrites=true&w=majority')
+.then(() => console.log('MongoDB connect!'))
+.catch(err => console.log(err))
+
+// 유저 등록 및 로그인 API
+
+// 로그인 세션 : 로그인 정보 유지.
+const express_session = require('express-session')
+app.use(express_session({
+    secret : "@secret@number", // 암호화 키
+    resave : false,
+    saveUninitialized : false,
+    store:require('mongoose-session')(mongoose),
+    cookie : {maxAge :  6*24}
+}))
+
+
+// 등록 .
+app.use(express.json())
+app.post('/api/users/register', (req,res) => {
+    const new_user = new User(req.body);
+    new_user.save((err, userInfo) => {
+        if (err) return res.json({ successs : false, err})
+        return res.status(200).json({
+            success : true
+        })
+    })
+})
+
+// 로그인 .
+app.post('/api/users/login', (req ,res) => {
+    User.findOne({name : req.body.name}, (err, user) => {
+        if (!user) {
+            return res.json({
+                loginSuccess: false,
+                message : "이름이 일치하는 사용자가 없습니다 !"
+            })
+        }
+        else if (req.body.password === user.password) {
+            req.session.user = {
+                user_name : req.body.name,
+                user_password : req.body.password,
+            }
+            console.log(req.session.user)
+            return res.json({
+                loginSuccess : true,
+            })
+        }
+        else {
+            return res.json({
+                loginSuccess : false,
+                message : "비밀번호가 일치하지 않습니다 !"
+            })
+        }
+    })
+})
+
+// 로그아웃
+app.get('/api/users/logout', (req,res) => {
+    var session = req.session
+    if (session.user)
+    {
+        req.session.destroy(err => {
+            if (err) {
+                console.log(err)
+                return res.json({
+                    logoutSuccess : false
+                })
+            }
+            else
+            {
+                console.log('로그아웃 완료')
+                return res.json({
+                    logoutSuccess : true
+                })
+            }
+        })
+        // res.redirect('/');
+    }
+    else
+    {    
+        console.log('로그인이 되어있지 않습니다.')
+        return res.json({
+            logoutSuccess : true,
+        })
+    }
+        
+})
+
+// 세션 저장 확인
+app.get('/api/session', (req,res) => {
+    console.log(req.session.user)
+    return res.json({session :req.session})
+})