Backing up my work

2025-07-08 23:55:20 -04:00 · 2025-07-08 23:55:20 -04:00 · ae4044e886
commit ae4044e886
parent 521ce7d8af
15 changed files with 720 additions and 0 deletions
--- a/.idea/.gitignore
+++ b/.idea/.gitignore
@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
--- a/.idea/LuggageLocatorBackend.iml
+++ b/.idea/LuggageLocatorBackend.iml
@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="WEB_MODULE" version="4">
+  <component name="Go" enabled="true" />
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
--- a/.idea/dataSources.xml
+++ b/.idea/dataSources.xml
@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="DataSourceManagerImpl" format="xml" multifile-model="true">
+    <data-source source="LOCAL" name="LuggageDB" uuid="a44d7006-355f-4587-b552-8545e1268664">
+      <driver-ref>mariadb</driver-ref>
+      <synchronize>true</synchronize>
+      <jdbc-driver>org.mariadb.jdbc.Driver</jdbc-driver>
+      <jdbc-url>jdbc:mariadb://mariadb.traceyclan.us:3306/luggage</jdbc-url>
+      <working-dir>$ProjectFileDir$</working-dir>
+    </data-source>
+  </component>
+</project>
--- a/.idea/modules.xml
+++ b/.idea/modules.xml
@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/LuggageLocatorBackend.iml" filepath="$PROJECT_DIR$/.idea/LuggageLocatorBackend.iml" />
+    </modules>
+  </component>
+</project>
--- a/.idea/sqldialects.xml
+++ b/.idea/sqldialects.xml
@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="SqlDialectMappings">
+    <file url="file://$PROJECT_DIR$/formatDB.sql" dialect="MariaDB" />
+    <file url="PROJECT" dialect="MariaDB" />
+  </component>
+</project>
--- a/README.md
+++ b/README.md
@ -1,2 +1,13 @@
 # LuggageTracker

+## Envs
+- PORT            | 8080
+- DB_USER         | user
+- DB_PASS         | pass
+- DB_HOST         | 10.0.0.1
+- DB_PORT         | 3306
+- DB_SCHEMA       | luggage
+- DB_CA_CERT_PATH | /etc/ssl/ca-cert.pem
+- DB_CERT_PATH    | /etc/ssl/client-cert.pem
+- DB_KEY_PATH     | /etc/ssl/private/client-key.pem
+- DB_SKIP_VERIFY  | true
--- a/db.go
+++ b/db.go
@ -0,0 +1,145 @@
+package main
+
+import (
+	"crypto/tls"
+	"crypto/x509"
+	"database/sql"
+	"errors"
+	"fmt"
+	"github.com/go-sql-driver/mysql"
+	"log"
+	"os"
+	"strconv"
+	"time"
+)
+
+type LDB struct {
+	db *sql.DB
+}
+
+var NoEntriesFoundError error = errors.New("no entries found")
+
+func createTLSConf(skipVerify bool) tls.Config {
+	rootCertPool := x509.NewCertPool()
+	pem, err := os.ReadFile(os.Getenv("DB_CA_CERT_PATH"))
+	if err != nil {
+		log.Fatal(err)
+	}
+	if ok := rootCertPool.AppendCertsFromPEM(pem); !ok {
+		log.Fatal("Failed to append PEM.")
+	}
+	clientCert := make([]tls.Certificate, 0, 1)
+
+	keyPair, err := tls.LoadX509KeyPair(os.Getenv("DB_CERT_PATH"), os.Getenv("DB_KEY_PATH"))
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	clientCert = append(clientCert, keyPair)
+
+	return tls.Config{
+		RootCAs:            rootCertPool,
+		Certificates:       clientCert,
+		InsecureSkipVerify: skipVerify,
+	}
+}
+
+func connect() *LDB {
+	var db *sql.DB
+	caCert := os.Getenv("DB_CA_CERT_PATH")
+
+	if len(caCert) > 0 {
+		skipVerify, err := strconv.ParseBool(os.Getenv("DB_SKIP_VERIFY"))
+		if err != nil {
+			log.Fatal(err)
+		}
+		tlsConf := createTLSConf(skipVerify)
+		err = mysql.RegisterTLSConfig("custom", &tlsConf)
+		if err != nil {
+			log.Fatalf("Error %s on RegisterTLSConfig\n", err)
+			return nil
+		}
+		connStr := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?tls=custom&parseTime=true&loc=Local",
+			os.Getenv("DB_USER"),
+			os.Getenv("DB_PASS"),
+			os.Getenv("DB_HOST"),
+			os.Getenv("DB_PORT"),
+			os.Getenv("DB_SCHEMA"),
+		)
+
+		db, err = sql.Open("mysql", connStr)
+		if err != nil {
+			log.Fatalf("Error connecting to db: %s", err)
+			return nil
+		}
+	} else {
+		connStr := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?parseTime=true&loc=Local",
+			os.Getenv("DB_USER"),
+			os.Getenv("DB_PASS"),
+			os.Getenv("DB_HOST"),
+			os.Getenv("DB_PORT"),
+			os.Getenv("DB_SCHEMA"),
+		)
+		var err error
+		db, err = sql.Open("mysql", connStr)
+		if err != nil {
+			log.Fatal(err)
+		}
+	}
+
+	return &LDB{db}
+}
+
+func (ldb *LDB) queryUser(userName string) (u *User, newError error) {
+	db := ldb.db
+
+	queryStr := `
+		SELECT users.user_name, users.secret_codes, users.current_token, users.contact_number, users.email_address, 
+			addresses.street1, addresses.street2, addresses.city, addresses.state, addresses.postal_code, 
+			addresses.country, addresses.created_at, addresses.updated_at 
+		FROM users
+		INNER JOIN addresses ON users.mailing_address=addresses.id
+		WHERE users.user_name=?;
+`
+	stmt, err := db.Prepare(queryStr)
+	if err != nil {
+		return nil, err
+	}
+	res, err := stmt.Query(userName)
+	if err != nil {
+		return nil, err
+	}
+	defer res.Close()
+	if !res.Next() {
+		return nil, NoEntriesFoundError
+	}
+	user := new(User)
+	err = res.Scan(&user.UserName, &user.SecretCodes, &user.CurrentToken, &user.ContactNumber, &user.EmailAddress,
+		&user.MailingAddress.Street1, &user.MailingAddress.Street2, &user.MailingAddress.City,
+		&user.MailingAddress.State, &user.MailingAddress.PostalCode, &user.MailingAddress.Country,
+		&user.MailingAddress.CreatedAt, &user.MailingAddress.UpdatedAt,
+	)
+	if err != nil {
+		return nil, err
+	}
+	return user, nil
+}
+
+func (ldb *LDB) updateToken(userName string, token string) error {
+	db := ldb.db
+
+	updateStr := `
+		UPDATE users
+		SET current_token=?,token_creation=?
+		WHERE user_name=?;
+`
+	stmt, err := db.Prepare(updateStr)
+	if err != nil {
+		return err
+	}
+	_, err = stmt.Exec(token, time.Now(), userName)
+	if err != nil {
+		return err
+	}
+	return nil
+}
--- a/formatDB.sql
+++ b/formatDB.sql
@ -0,0 +1,25 @@
+CREATE TABLE addresses (
+    id BIGINT NOT NULL AUTO_INCREMENT,
+    street1 TEXT NOT NULL ,
+    street2 TEXT,
+    city TEXT NOT NULL ,
+    state TEXT,
+    postal_code TEXT NOT NULL,
+    country TEXT NOT NULL,
+    created_at TIMESTAMP NOT NULL,
+    updated_at TIMESTAMP NOT NULL,
+    PRIMARY KEY (id)
+);
+
+CREATE TABLE users (
+    id BIGINT NOT NULL AUTO_INCREMENT,
+    user_name TEXT NOT NULL,
+    secret_codes TEXT NOT NULL,
+    current_token TEXT,
+    token_creation TIMESTAMP,
+    contact_number TEXT NOT NULL,
+    email_address TEXT NOT NULL,
+    mailing_address BIGINT NOT NULL,
+    PRIMARY KEY (id),
+    FOREIGN KEY (mailing_address) REFERENCES addresses(id)
+);
--- a/go.mod
+++ b/go.mod
@ -0,0 +1,39 @@
+module LuggageLocatorBackend
+
+go 1.23.2
+
+require (
+	github.com/gin-contrib/cors v1.7.6
+	github.com/gin-gonic/gin v1.10.1
+	github.com/go-sql-driver/mysql v1.9.3
+)
+
+require (
+	filippo.io/edwards25519 v1.1.0 // indirect
+	github.com/bytedance/sonic v1.13.3 // indirect
+	github.com/bytedance/sonic/loader v0.2.4 // indirect
+	github.com/cloudwego/base64x v0.1.5 // indirect
+	github.com/gabriel-vasile/mimetype v1.4.9 // indirect
+	github.com/gin-contrib/sse v1.1.0 // indirect
+	github.com/go-playground/locales v0.14.1 // indirect
+	github.com/go-playground/universal-translator v0.18.1 // indirect
+	github.com/go-playground/validator/v10 v10.26.0 // indirect
+	github.com/goccy/go-json v0.10.5 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/klauspost/cpuid/v2 v2.2.10 // indirect
+	github.com/kr/text v0.2.0 // indirect
+	github.com/leodido/go-urn v1.4.0 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.4 // indirect
+	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
+	github.com/ugorji/go/codec v1.3.0 // indirect
+	golang.org/x/arch v0.18.0 // indirect
+	golang.org/x/crypto v0.39.0 // indirect
+	golang.org/x/net v0.41.0 // indirect
+	golang.org/x/sys v0.33.0 // indirect
+	golang.org/x/text v0.26.0 // indirect
+	google.golang.org/protobuf v1.36.6 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)
--- a/go.sum
+++ b/go.sum
@ -0,0 +1,96 @@
+filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA=
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+github.com/twitchyliquid64/golang-asm v0.15.1 h1:SU5vSMR7hnwNxj24w34ZyCi/FmDZTkS4MhqMhdFk5YI=
+github.com/twitchyliquid64/golang-asm v0.15.1/go.mod h1:a1lVb/DtPvCB8fslRZhAngC2+aY1QWCk3Cedj/Gdt08=
+github.com/ugorji/go/codec v1.3.0 h1:Qd2W2sQawAfG8XSvzwhBeoGq71zXOC/Q1E9y/wUcsUA=
+github.com/ugorji/go/codec v1.3.0/go.mod h1:pRBVtBSKl77K30Bv8R2P+cLSGaTtex6fsA2Wjqmfxj4=
+golang.org/x/arch v0.18.0 h1:WN9poc33zL4AzGxqf8VtpKUnGvMi8O9lhNyBMF/85qc=
+golang.org/x/arch v0.18.0/go.mod h1:bdwinDaKcfZUGpH09BB7ZmOfhalA8lQdzl62l8gGWsk=
+golang.org/x/crypto v0.39.0 h1:SHs+kF4LP+f+p14esP5jAoDpHU8Gu/v9lFRK6IT5imM=
+golang.org/x/crypto v0.39.0/go.mod h1:L+Xg3Wf6HoL4Bn4238Z6ft6KfEpN0tJGo53AAPC632U=
+golang.org/x/net v0.41.0 h1:vBTly1HeNPEn3wtREYfy4GZ/NECgw2Cnl+nK6Nz3uvw=
+golang.org/x/net v0.41.0/go.mod h1:B/K4NNqkfmg07DQYrbwvSluqCJOOXwUjeb/5lOisjbA=
+golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.33.0 h1:q3i8TbbEz+JRD9ywIRlyRAQbM0qF7hu24q3teo2hbuw=
+golang.org/x/sys v0.33.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
+golang.org/x/text v0.26.0 h1:P42AVeLghgTYr4+xUnTRKDMqpar+PtX7KWuNQL21L8M=
+golang.org/x/text v0.26.0/go.mod h1:QK15LZJUUQVJxhz7wXgxSy/CJaTFjd0G+YLonydOVQA=
+google.golang.org/protobuf v1.36.6 h1:z1NpPI8ku2WgiWnf+t9wTPsn6eP1L7ksHUlkfLvd9xY=
+google.golang.org/protobuf v1.36.6/go.mod h1:jduwjTPXsFjZGTmRluh+L6NjiWu7pchiJ2/5YcXBHnY=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
+gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+nullprogram.com/x/optparse v1.0.0/go.mod h1:KdyPE+Igbe0jQUrVfMqDMeJQIJZEuyV7pjYmp6pbG50=
--- a/main.go
+++ b/main.go
@ -0,0 +1,227 @@
+package main
+
+import (
+	"context"
+	"crypto/rand"
+	"database/sql"
+	"encoding/base64"
+	"errors"
+	"fmt"
+	"github.com/gin-contrib/cors"
+	"github.com/gin-gonic/gin"
+	"log"
+	"net/http"
+	"strings"
+	"time"
+)
+
+type Address struct {
+	Id         int64     `json:"address_id"`
+	Street1    string    `json:"street1"`
+	Street2    *string   `json:"street2,omitempty"`
+	City       string    `json:"city"`
+	State      *string   `json:"state,omitempty"`
+	PostalCode string    `json:"postal_code"`
+	Country    string    `json:"country"`
+	CreatedAt  time.Time `json:"created_at"`
+	UpdatedAt  time.Time `json:"updated_at"`
+}
+
+type User struct {
+	Status         int32  `json:"status"`
+	Id             int64  `json:"user_id"`
+	UserName       string `json:"user_name"`
+	SecretCodes    string `json:"secret_codes"`
+	CurrentToken   *string
+	ContactNumber  string  `json:"contact_number"`
+	EmailAddress   string  `json:"email_address"`
+	MailingAddress Address `json:"mailing_address"`
+}
+
+func GenerateToken(n int) (string, error) {
+	b := make([]byte, n)
+	if _, err := rand.Read(b); err != nil {
+		return "", fmt.Errorf("reading random bytes: %w\n", err)
+	}
+	return base64.RawURLEncoding.EncodeToString(b), nil
+}
+
+func startCleanupLoop(ctx context.Context, db *sql.DB, interval, ttl time.Duration) {
+	ticker := time.NewTicker(interval)
+	defer ticker.Stop()
+
+	for {
+		select {
+		case <-ctx.Done():
+			return
+
+		case <-ticker.C:
+			if err := cleanupExpired(db, ttl); err != nil {
+				log.Printf("token cleanup error: %v\n", err)
+			}
+		}
+	}
+}
+
+func cleanupExpired(db *sql.DB, ttl time.Duration) error {
+	sqlStmt := `
+		DELETE FROM users
+        WHERE token_creation < DATE_SUB(NOW(), INTERVAL ? SECOND);
+`
+	res, err := db.Exec(sqlStmt, int(ttl.Seconds()))
+	if err != nil {
+		return err
+	}
+
+	n, _ := res.RowsAffected()
+	log.Printf("token cleanup: deleted %d rows\n", n)
+	return nil
+}
+
+func main() {
+	db := connect()
+	defer db.db.Close()
+
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+	go startCleanupLoop(ctx, db.db, time.Hour, 24*time.Hour)
+
+	r := gin.Default()
+
+	r.Use(cors.New(cors.Config{
+		AllowOrigins:     []string{"http://localhost:8080", "http://localhost:8000"},
+		AllowMethods:     []string{"GET", "POST"},
+		AllowHeaders:     []string{"Origin", "Content-Type", "Authorization"},
+		ExposeHeaders:    []string{"Content-Length", "Authorization"},
+		AllowCredentials: true,
+	}))
+
+	r.Static("/static", "./static")
+	r.StaticFile("/favicon.ico", "./static/favicon.ico")
+
+	r.GET("/", func(c *gin.Context) {
+		c.File("./static/index.html")
+	})
+
+	api := r.Group("/api")
+	api.GET("/luggage/:user", func(c *gin.Context) {
+		user, err := db.queryUser(c.Param("user"))
+		if err != nil {
+			if errors.Is(err, NoEntriesFoundError) {
+				c.AbortWithStatusJSON(http.StatusNotFound, gin.H{
+					"error": "User not found",
+				})
+			} else {
+				fmt.Printf("Error: %s\n", err)
+				c.AbortWithStatus(http.StatusBadRequest)
+			}
+		} else {
+			c.JSON(http.StatusOK, user)
+		}
+	})
+	api.GET("/verify/:user", func(c *gin.Context) {
+		user, err := db.queryUser(c.Param("user"))
+		if err != nil {
+			if errors.Is(err, NoEntriesFoundError) {
+				c.AbortWithStatusJSON(http.StatusNotFound, gin.H{
+					"status": 404,
+					"user":   "",
+					"error":  "User not found",
+				})
+			} else {
+				fmt.Printf("Error: %s\n", err)
+				c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{
+					"status": 500,
+					"user":   "",
+					"error":  err.Error(),
+				})
+			}
+		} else {
+			codes := strings.Split(user.SecretCodes, "'")
+			responded := false
+			for _, code := range codes {
+				codeHeader := c.GetHeader("Authorization")
+				reqCode := strings.Split(codeHeader, " ")
+				if strings.Compare(code, reqCode[len(reqCode)-1]) == 0 {
+					token, err := GenerateToken(16)
+					if err != nil {
+						c.JSON(http.StatusInternalServerError, gin.H{
+							"status": 500,
+							"user":   "",
+							"error":  err.Error(),
+						})
+						responded = true
+						break
+					} else {
+						err = db.updateToken(user.UserName, token)
+						if err != nil {
+							c.JSON(http.StatusInternalServerError, gin.H{
+								"status": 500,
+								"user":   "",
+								"error":  err.Error(),
+							})
+							responded = true
+							break
+						} else {
+							user.Status = 200
+							c.JSON(http.StatusOK, gin.H{
+								"status": 200,
+								"user":   user.UserName,
+								"error":  "",
+								"token":  token,
+							})
+							responded = true
+							break
+						}
+					}
+				}
+			}
+			if !responded {
+				c.JSON(http.StatusNotFound, gin.H{
+					"status": "404",
+					"user":   "",
+					"error":  "User not found",
+				})
+			}
+		}
+	})
+	api.GET("/ping", func(c *gin.Context) {
+		c.JSON(http.StatusOK, gin.H{
+			"message": "pong",
+		})
+	})
+
+	r.GET("/u/:user/info", func(c *gin.Context) {
+		user, err := db.queryUser(c.Param("user"))
+		if user.CurrentToken == nil {
+			c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{
+				"status": 403,
+				"error":  "Unauthorized",
+			})
+		} else if strings.Compare(c.Query("token"), *user.CurrentToken) == 0 {
+			if err != nil {
+				if errors.Is(err, NoEntriesFoundError) {
+					c.AbortWithStatusJSON(http.StatusNotFound, gin.H{
+						"error": "User not found",
+					})
+				} else {
+					fmt.Printf("Error: %s\n", err)
+					c.AbortWithStatus(http.StatusBadRequest)
+				}
+			} else {
+				c.JSON(http.StatusOK, user)
+			}
+		} else {
+			c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{
+				"status": 403,
+				"user":   "",
+				"error":  "Unauthorized",
+			})
+		}
+	})
+
+	err := r.Run()
+	if err != nil {
+		log.Fatal(err)
+	}
+}
--- a/static/favicon.ico
+++ b/static/favicon.ico
--- a/static/icon.png
+++ b/static/icon.png
--- a/static/index.html
+++ b/static/index.html
@ -0,0 +1,29 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Luggage Tracker</title>
+    <link rel="stylesheet" href="/static/style.css">
+</head>
+<body>
+
+<header class="header">
+    <img class="header-icon" src="/static/icon.png" alt="icon"/>
+    <h1 class="title">Luggage Tracker</h1>
+    <div class="spacer"></div>
+</header>
+<div class="container">
+    <div class="content">
+        <h3>Registration</h3>
+        <p>Contact Steven Tracey
+            <a class="contact-link" href="mailto:steven@nevets.tech?subject=QR%20Generator%20-%20(Your%20Name)&body=Name%3A%0APhone%20Number%3A%0AEmail%20Address%3A%0AMailing%20Address%3A%0AStreet%3A%0ACity%3A%0AZip%3A%0AState%3A%0ACountry%3A">via email</a>
+            to get your QR code</p>
+    </div>
+</div>
+
+<footer class="footer">
+    <p class="footer-text">Made hastily by <a class="footer-text" href="https://www.linkedin.com/in/steven-tracey18/">Steven Tracey</a></p>
+</footer>
+</body>
+</html>
+
--- a/static/style.css
+++ b/static/style.css
@ -0,0 +1,104 @@
+:root {
+    --dark: #1f363dff;
+    --mid-dark: #40798cff;
+    --mid: #70a9a1ff;
+    --mid-light: #9ec1a3ff;
+    --light: #cfe0c3ff;
+    font-family: Verdana,sans-serif;
+}
+
+body {
+    margin: 0;
+}
+
+.header {
+    display: flex;
+    align-items: center;            /* vertical centering */
+    justify-content: space-between; /* icon left, spacer right */
+    background-color: var(--mid-dark);
+    padding: 0 1rem;
+    height: 80px;
+}
+
+.spacer {
+    flex: 0 0 64px; /* or your icon’s width */
+}
+
+.header-icon {
+    display: block;            /* remove inline whitespace */
+    flex: 0 0 64px; /* or your icon’s width */
+    width: 15vw;               /* fill the 64px container */
+    height: auto;              /* keep aspect ratio */
+    max-height: 80px;          /* never exceed 80px bar height */
+}
+
+.title {
+    flex: 1;              /* take up all the space between */
+    text-align: center;   /* center text within that space */
+    color: var(--light);
+}
+
+.footer {
+    background-color: var(--dark);
+    display: flex;
+    height: 80px;
+}
+
+.footer-text {
+    display: inherit;
+    align-content: center;
+    justify-content: center;
+    margin: auto;
+    background-color: inherit;
+    border: none;
+    outline: none;
+    text-align: center;
+    color: white;
+}
+
+.footer-text a {
+    cursor: pointer;
+    text-decoration: none;
+    color: var(--mid-light);
+    padding-left: 5px;
+}
+
+.footer-text a:hover {
+    color: var(--mid);
+}
+
+.contact-link {
+    cursor: pointer;
+    color: var(--mid-dark);
+    text-decoration: none;
+}
+
+.contact-link a:hover {
+    color: var(--mid);
+}
+
+.container {
+    padding: 20vh 0 calc(80vh - 303px) 0;
+    background-image: linear-gradient(
+            to bottom right,
+            var(--mid-light),
+            var(--mid-dark)
+    );
+}
+
+.content {
+    margin: 0 auto;
+    width: 90vw;            /* takes 90% of viewport (or container) width */
+    max-width: 800px;      /* but never wider than 800px */
+    padding: 1.5rem;       /* give it some breathing room inside */
+    background: white;
+    border-radius: 5px;
+}
+
+.content h3 {
+    text-align: center;
+}
+
+.content p {
+    text-align: center;
+}