initial app

This commit is contained in:
Arnie
2023-06-01 20:24:59 +02:00
parent bb19e15a40
commit 8438b060f1
38 changed files with 9254 additions and 0 deletions
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module.exports = {
env: { browser: true, es2020: true },
extends: [
"eslint:recommended",
"react-app",
"airbnb-typescript",
"airbnb/hooks",
"plugin:@typescript-eslint/recommended",
"plugin:react/recommended",
"plugin:react-hooks/recommended",
"prettier", // Help to cooperate ESLint and Prettier
"plugin:prettier/recommended",
],
ignorePatterns: [
"/build",
"/dist",
"/node_modules",
"/.eslintrc.cjs",
"/vite.config.ts",
],
parser: "@typescript-eslint/parser",
parserOptions: {
ecmaVersion: "latest",
project: "./tsconfig.json",
sourceType: "module",
tsconfigRootDir: __dirname,
},
plugins: ["react-refresh"],
rules: {
// Run prettier separately but use its configuration
// This speeds up on-the-fly linting during development
"prettier/prettier": "off",
"react-refresh/only-export-components": "warn",
"import/no-extraneous-dependencies": [
"error",
{
devDependencies: true,
},
],
},
settings: {
react: {
version: "detect",
},
},
};
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# Logs
logs
*.log
npm-debug.log*
yarn-debug.log*
yarn-error.log*
pnpm-debug.log*
lerna-debug.log*
node_modules
dist
dist-ssr
*.local
# Editor directories and files
.vscode/*
!.vscode/extensions.json
.idea
.DS_Store
*.suo
*.ntvs*
*.njsproj
*.sln
*.sw?
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/node_modules
# Ignore artifacts:
/build
/dist
/coverage
# generated code
/src/api/naming
/src/preview
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{
"importOrder": ["^[./]"],
"importOrderSeparation": true
}
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<link rel="icon" type="image/svg+xml" href="/favicon.svg" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Lukáš Čech</title>
</head>
<body>
<script>
window.global = window;
try {
window.APP_CONFIG = JSON.parse('{{ .Config }}');
} catch (e) {
console.debug('App uses development configuration');
}
</script>
<div id="root"></div>
<script type="module" src="/src/main.tsx"></script>
</body>
</html>
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{
"name": "cv",
"private": true,
"version": "0.0.1",
"type": "module",
"scripts": {
"build": "npm run check && tsc && vite build",
"check": "npm run typecheck && echo \"Checking files with prettier\" && npm run prettier > /dev/null && npm run lint",
"dev": "vite",
"fix": "npm run prettier:format && npm run lint:fix",
"lint": "eslint src --ext ts,tsx",
"lint:fix": "eslint --fix src --ext ts,tsx",
"lint:fix:changed": "eslint --fix $(npm run --silent list:changed)",
"list:changed": "git diff HEAD --name-only --diff-filter=ACM --relative=app/console/src \"*.tsx\" \"*.ts\" \"*.js\" | sed 's#^#./src/#' ; git ls-files \"./src/*.tsx\" \"./src/*.ts\" -o --exclude-standard",
"prettier": "prettier --config ./.prettierrc --check 'src/**/*.{js,ts,tsx}'",
"prettier:format": "prettier --config ./.prettierrc --write 'src/**/*.{js,ts,tsx}'",
"prettier:format:changed": "prettier --config ./.prettierrc --write $(npm run --silent list:changed)",
"typecheck": "tsc --noEmit"
},
"dependencies": {
"react": "^18.2.0",
"react-dom": "^18.2.0"
},
"devDependencies": {
"@emotion/react": "^11.11.0",
"@emotion/styled": "^11.11.0",
"@trivago/prettier-plugin-sort-imports": "^4.1.1",
"@types/react": "^18.0.37",
"@types/react-dom": "^18.0.11",
"@typescript-eslint/eslint-plugin": "^5.59.0",
"@typescript-eslint/parser": "^5.59.0",
"@vitejs/plugin-react-swc": "^3.0.0",
"eslint": "^8.38.0",
"eslint-config-airbnb": "^19.0.4",
"eslint-config-airbnb-typescript": "^17.0.0",
"eslint-config-prettier": "^8.8.0",
"eslint-config-react-app": "^7.0.1",
"eslint-plugin-import": "^2.27.5",
"eslint-plugin-prettier": "^4.2.1",
"eslint-plugin-react-hooks": "^4.6.0",
"eslint-plugin-react-refresh": "^0.3.4",
"normalize.css": "^8.0.1",
"react-intl": "^6.4.2",
"react-router-dom": "^6.11.2",
"typescript": "^5.0.2",
"vite": "^4.3.9"
}
}
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<svg xmlns="http://www.w3.org/2000/svg" class="icon icon-tabler icon-tabler-terminal" width="250px" height="250px" viewBox="0 0 24 24" stroke-width="1.00" stroke="rgba(1, 1, 1, 1)" fill="none" stroke-linecap="round" stroke-linejoin="round"><circle cx="50%" cy="50%" r="50%" stroke="none" stroke-width="0" fill="rgba(255, 255, 255, 1)"/><g transform="translate(2.40, 2.40) scale(0.8)"><path stroke="none" d="M0 0h24v24H0z" fill="none"/><path d="M5 7l5 5l-5 5"/><line x1="12" y1="19" x2="19" y2="19"/></g>
</svg>

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import { Global } from "@emotion/react";
import normalizeCss from "normalize.css/normalize.css?inline";
import React from "react";
import { IntlProvider } from "react-intl";
import Router from "./views/Router";
const App: React.FC = () => {
return (
<IntlProvider locale="en" defaultLocale="en">
<Global styles={normalizeCss} />
<Router />
</IntlProvider>
);
};
export default App;
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import React from "react";
type ErrorHandler = (error: Error, info: React.ErrorInfo) => void;
type ErrorHandlingComponent<Props> = (
props: Props,
error?: Error
) => React.ReactNode;
type ErrorState = { error?: Error };
function Catch<Props extends object>(
component: ErrorHandlingComponent<Props>,
errorHandler?: ErrorHandler
): React.ComponentType<Props> {
function Inner({ error, props }: { error?: Error; props: Props }) {
return <React.Fragment>{component(props, error)}</React.Fragment>;
}
return class CatchClass extends React.Component<Props, ErrorState> {
state: ErrorState = {
error: undefined,
};
static getDerivedStateFromError(error: Error) {
return { error };
}
componentDidCatch(error: Error, info: React.ErrorInfo) {
if (errorHandler) {
errorHandler(error, info);
}
}
render() {
return <Inner error={this.state.error} props={this.props} />;
}
};
}
const divStyles: React.CSSProperties = {
display: "flex",
flexDirection: "column",
alignItems: "center",
justifyContent: "center",
};
const ErrorBoundary = Catch(function (
props: React.PropsWithChildren,
error?: Error
) {
if (error) {
return (
<div style={divStyles}>
<h2>
There was an error on the page. Please reload the application and try
again.
</h2>
<p />
<p>{error.message}</p>
</div>
);
}
return <>{props.children}</>;
});
export default ErrorBoundary;
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export { default as ErrorBoundary } from "./ErrorBoundary";
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import styled from "@emotion/styled";
import React from "react";
import MainNavigation from "../Navigation/MainNavigation";
const Root = styled("div")({
background: "rgb(215, 215, 215)",
});
const Container = styled("div")({
alignItems: "stretch",
display: "flex",
margin: "0 auto",
maxWidth: 1600,
minHeight: "100vh",
width: "100vw",
});
const Nav = styled("nav")({
background: "rgb(41, 62, 73)",
color: "white",
flex: "0 0 280px",
padding: "8px 20px",
"@media (max-width: 600px)": {
display: "none",
},
"& a": {
color: "white",
},
});
const Main = styled("main")({
background: "rgb(245, 245, 245)",
color: "rgb(25, 25, 25)",
flex: "1 0 500px",
padding: "8px 20px",
});
const MainLayout: React.FC<React.PropsWithChildren> = (props) => {
const { children } = props;
return (
<Root>
<Container>
<Nav>
<MainNavigation />
</Nav>
<Main>{children}</Main>
</Container>
</Root>
);
};
export default MainLayout;
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import styled from "@emotion/styled";
import { Link as RouterLink } from "react-router-dom";
const Link = styled(RouterLink)({
color: "rgb(35, 115, 220)",
});
export default Link;
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export { default as Link } from "./Link";
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import React from "react";
const MainNavigation: React.FC = () => {
return (
<>
<p>Contact</p>
<a href="mailto:linkedin@c3c.cz">linkedin@c3c.cz</a>
</>
);
};
export default MainNavigation;
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interface ConfigFromBackend {
commitTime: string;
}
interface MyWindow extends Window {
APP_CONFIG?: ConfigFromBackend;
}
declare const window: MyWindow;
export const BUILD_TIMESTAMP: Date = window.APP_CONFIG?.commitTime
? new Date(window.APP_CONFIG.commitTime)
: new Date();
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import React from "react";
import ReactDOM from "react-dom/client";
import App from "./App";
ReactDOM.createRoot(document.getElementById("root") as HTMLElement).render(
<React.StrictMode>
<App />
</React.StrictMode>
);
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import React from "react";
import MainLayout from "../components/Layout/MainLayout";
const Dashboard: React.FC = () => {
return (
<MainLayout>
<h1>Lukáš Čech</h1>
<h2>DevOps Engineer</h2>
<p>(For the lack of a better name)</p>
</MainLayout>
);
};
export default Dashboard;
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import styled from "@emotion/styled";
import React from "react";
import { defineMessages, useIntl } from "react-intl";
import { Link } from "../components/Link";
const messages = defineMessages({
notFound: {
defaultMessage: "Nothing to see here",
id: "Router.NotFound",
},
});
const Root = styled("div")({
display: "flex",
flexDirection: "column",
alignItems: "center",
justifyContent: "center",
height: "100vh",
width: "100vw",
});
const NotFound = () => {
const intl = useIntl();
return (
<Root>
<p>{intl.formatMessage(messages.notFound)}</p>
<Link to="/">Go home</Link>
</Root>
);
};
export default NotFound;
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import React from "react";
import { Outlet, RouterProvider } from "react-router-dom";
import { createBrowserRouter } from "react-router-dom";
import { ErrorBoundary } from "../components/ErrorBoundary";
import Dashboard from "./Dashboard";
const Layout: React.FC = () => {
return (
<ErrorBoundary>
<Outlet />
</ErrorBoundary>
);
};
const NotFound = React.lazy(() => import("./NotFound"));
const router = createBrowserRouter([
{
path: "/",
element: <Layout />,
children: [
{
index: true,
element: <Dashboard />,
},
{
path: "*",
element: <NotFound />,
},
],
},
]);
const Router = (): JSX.Element => {
return <RouterProvider router={router} />;
};
export default Router;
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/// <reference types="vite/client" />
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{
"compilerOptions": {
"target": "ES2020",
"useDefineForClassFields": true,
"lib": ["ES2020", "DOM", "DOM.Iterable"],
"module": "ESNext",
"skipLibCheck": true,
/* Bundler mode */
"moduleResolution": "bundler",
"allowImportingTsExtensions": true,
"resolveJsonModule": true,
"isolatedModules": true,
"noEmit": true,
"jsx": "react",
/* Linting */
"strict": true,
"noUnusedLocals": true,
"noUnusedParameters": true,
"noFallthroughCasesInSwitch": true
},
"include": ["src"]
}
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import { defineConfig } from 'vite'
import react from '@vitejs/plugin-react-swc'
// https://vitejs.dev/config/
export default defineConfig({
clearScreen: false,
plugins: [react()],
})
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package config
import (
"encoding/json"
"fmt"
"log"
"os"
"time"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
"go.c3c.cz/cv/app/server/internal/version"
)
type FrontendConfigDef struct {
CommitTime string `json:"commitTime"`
}
var (
BindAddrPprof = confString("BIND_ADDR_PPROF", "localhost:6060", false)
BindAddrHttp = confString("BIND_ADDR_HTTP", ":8080", false)
GraceTerminationDelay = confDuration("GRACE_TERMINATION_DELAY", 0)
GraceTerminationLimit = confDuration("GRACE_TERMINATION_LIMIT", 10*time.Second)
LoggerConfig *zap.Config
loggingLevel = confString("LOGGING_LEVEL", "info", false)
Frontend string
)
func init() {
b, err := json.Marshal(FrontendConfigDef{
CommitTime: version.CommitTime.Format(time.RFC3339),
})
if err != nil {
log.Fatal(err)
}
Frontend = string(b)
zapConfig := confString("LOGGER_CONFIG", "", false)
var l zapcore.Level
if err := l.UnmarshalText([]byte(loggingLevel)); err != nil {
log.Fatal(fmt.Errorf("could not create debug level from env: %w", err))
}
if zapConfig != "" {
if err := json.Unmarshal([]byte(zapConfig), &LoggerConfig); err != nil {
log.Fatal(fmt.Errorf("could not create logging configuration from env: %w", err))
}
// Warn if both logger config and logging level are specified
_, loggingLevelPresent := os.LookupEnv("LOGGING_LEVEL")
if loggingLevelPresent {
log.Println("cannot have both LOGGING_CONFIG and LOGGING_LEVEL environment configuration values")
LoggerConfig.Level = zap.NewAtomicLevelAt(l)
}
} else {
loggerConfig := zap.NewProductionConfig()
encoderConfig := zap.NewProductionEncoderConfig()
encoderConfig.TimeKey = "t"
encoderConfig.LevelKey = "l"
encoderConfig.CallerKey = "c"
encoderConfig.MessageKey = "m"
encoderConfig.StacktraceKey = "s"
encoderConfig.EncodeLevel = zapcore.CapitalLevelEncoder
encoderConfig.EncodeTime = zapcore.RFC3339NanoTimeEncoder
encoderConfig.EncodeDuration = zapcore.MillisDurationEncoder
encoderConfig.EncodeCaller = zapcore.ShortCallerEncoder
loggerConfig.EncoderConfig = encoderConfig
loggerConfig.Level = zap.NewAtomicLevelAt(l)
loggerConfig.Encoding = "json"
LoggerConfig = &loggerConfig
}
}
const requiredErrorF = `required variable "%s" not set`
func confString(name string, defaultValue string, required bool) string {
val, present := os.LookupEnv(name)
if !present {
if required {
log.Fatalf(requiredErrorF, name)
}
val = defaultValue
}
return val
}
func confDuration(name string, defaultValue time.Duration) (val time.Duration) {
sVal, present := os.LookupEnv(name)
if !present {
val = defaultValue
} else {
var err error
val, err = time.ParseDuration(sVal)
if err != nil {
log.Fatalf(`cannot parse duration variable "%s"`, name)
}
}
return
}
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package files
import (
"embed"
)
//go:embed data/public/*
var Public embed.FS
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package httpserver
import (
"compress/gzip"
"crypto/rand"
"encoding/base64"
"encoding/json"
"html/template"
"io"
"io/fs"
"io/ioutil"
"mime"
"net/http"
"path"
"path/filepath"
"regexp"
"strings"
"time"
"github.com/improbable-eng/grpc-web/go/grpcweb"
"go.uber.org/zap"
"golang.org/x/oauth2"
"go.c3c.cz/cv/app/server/internal/files"
"go.c3c.cz/cv/app/server/internal/version"
)
const refreshTokenCookieName = "rt"
type handler struct {
oauth2 *oauth2.Config
indexTemplate *template.Template
looseCORS bool
grpcWebServer *grpcweb.WrappedGrpcServer
frontendConfig string
logger *zap.Logger
refreshTokenCookieDomain string
}
type accessToken struct {
Token string `json:"token"`
ExpiresIn int64 `json:"expiresIn"`
}
func (h *handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
if h.looseCORS {
w.Header().Set("Access-Control-Allow-Origin", "*")
w.Header().Set("Access-Control-Allow-Methods", "POST, GET, OPTIONS")
w.Header().Set("Access-Control-Allow-Headers", "Accept, Content-Type, Content-Length, Accept-Encoding, X-CSRF-Token, x-grpc-web, Authorization, x-user-agent")
}
switch {
case h.grpcWebServer.IsGrpcWebRequest(r):
h.grpcWebServer.ServeHTTP(w, r)
case r.Method == http.MethodPost && r.URL.Path == "/auth/login":
h.handleLogin(w, r)
case r.Method == http.MethodPost && r.URL.Path == "/auth/logout":
h.handleLogout(w, r)
case r.Method == http.MethodPost && r.URL.Path == "/auth/refresh":
h.handleRefreshToken(w, r)
default:
f, err := files.Public.Open(path.Join("data", "public", r.URL.Path))
if err != nil {
h.serveIndex(w)
return
}
fi, err := f.Stat()
if err != nil || fi.IsDir() {
h.serveIndex(w)
return
}
h.serveFile(w, r, version.CommitTime, f)
}
}
func (h *handler) serveFile(w http.ResponseWriter, r *http.Request, modtime time.Time, f fs.File) {
if !modtime.IsZero() {
ims := r.Header.Get("If-Modified-Since")
modtime = modtime.Truncate(time.Second)
if t, err := http.ParseTime(ims); err == nil && !modtime.After(t) {
w.WriteHeader(http.StatusNotModified)
return
}
w.Header().Set("Last-Modified", modtime.UTC().Format(http.TimeFormat))
}
w.Header().Set("Content-Type", mime.TypeByExtension(filepath.Ext(r.URL.Path)))
if strings.Contains(r.Header.Get("Accept-Encoding"), "gzip") {
w.Header().Set("Content-Encoding", "gzip")
gw, err := gzip.NewWriterLevel(w, gzip.DefaultCompression)
if err != nil {
h.logger.Warn("Could not create gzip writer", zap.Error(err))
return
}
if n, _ := io.Copy(gw, f); n == 0 {
w.Header().Del("Content-Encoding")
gw.Reset(ioutil.Discard)
}
err = gw.Close()
if err != nil {
h.logger.Warn("Could not close gzip writer", zap.Error(err))
return
}
} else {
_, err := io.Copy(w, f)
if err != nil {
h.logger.Warn("Could not write file response", zap.Error(err))
return
}
}
}
func (h *handler) serveIndex(w http.ResponseWriter) {
w.Header().Set("Content-Type", "text/html; charset=utf-8")
if h.indexTemplate == nil {
_, _ = w.Write([]byte("no index"))
return
}
token := make([]byte, 12)
_, err := rand.Read(token)
if err != nil {
h.logger.Warn("Could not create random csp token", zap.Error(err))
return
}
data := indexData{
Config: h.frontendConfig,
CspNonce: base64.RawStdEncoding.EncodeToString(token),
}
w.Header().Set("Content-Security-Policy", "script-src 'self' 'nonce-"+data.CspNonce+"' 'unsafe-eval'")
w.Header().Set("X-Frame-Options", "DENY")
w.Header().Set("X-XSS-Protection", "1; mode=block")
w.Header().Set("X-Content-Type-Options", "nosniff")
w.Header().Set("Referrer-Policy", "same-origin")
w.Header().Set("Strict-Transport-Security", "max-age=31536000; includeSubDomains")
w.Header().Set("Permissions-Policy", "accelerometer=(), camera=(), geolocation=(), microphone=(), payment=(), usb=()")
err = h.indexTemplate.Execute(w, data)
if err != nil {
h.logger.Warn("Could not execute index template", zap.Error(err))
}
}
type authData struct {
Email string
Password string
}
func (h *handler) handleLogin(w http.ResponseWriter, r *http.Request) {
var ad authData
if err := json.NewDecoder(r.Body).Decode(&ad); err != nil {
w.Header().Set("Content-Type", "application/json; charset=utf-8")
w.WriteHeader(http.StatusBadRequest)
err = json.NewEncoder(w).Encode(map[string]string{"error": "invalid json"})
if err != nil {
h.logger.Error("Could not encode json response with invalid json error", zap.Error(err))
}
return
}
r.Body.Close()
tok, err := h.oauth2.PasswordCredentialsToken(r.Context(), ad.Email, ad.Password)
if err != nil {
w.Header().Set("Content-Type", "application/json; charset=utf-8")
w.WriteHeader(http.StatusUnauthorized)
err = json.NewEncoder(w).Encode(map[string]string{"error": "wrong credentials"})
if err != nil {
h.logger.Error("Could not encode json response with wrong credentials error", zap.Error(err))
}
return
}
if tok.RefreshToken != "" {
http.SetCookie(w, &http.Cookie{
Domain: h.refreshTokenCookieDomain,
Path: "/auth/refresh",
Name: refreshTokenCookieName,
Value: tok.RefreshToken,
HttpOnly: true,
SameSite: http.SameSiteStrictMode,
Secure: isSecure(r),
})
}
w.Header().Set("Content-Type", "application/json; charset=utf-8")
w.WriteHeader(http.StatusOK)
err = json.NewEncoder(w).Encode(accessToken{
Token: tok.AccessToken,
ExpiresIn: int64(time.Until(tok.Expiry) / time.Second),
})
if err != nil {
h.logger.Error("Could not encode access token json", zap.Error(err))
}
}
func (h *handler) handleRefreshToken(w http.ResponseWriter, r *http.Request) {
cookie, err := r.Cookie(refreshTokenCookieName)
if err != nil {
w.WriteHeader(http.StatusUnauthorized)
return
}
tok, err := h.oauth2.TokenSource(r.Context(), &oauth2.Token{RefreshToken: cookie.Value}).Token()
if err != nil {
w.WriteHeader(http.StatusUnauthorized)
return
}
w.Header().Set("Content-Type", "application/json; charset=utf-8")
w.WriteHeader(http.StatusOK)
err = json.NewEncoder(w).Encode(accessToken{
Token: tok.AccessToken,
ExpiresIn: int64(time.Until(tok.Expiry) / time.Second),
})
if err != nil {
h.logger.Error("Could not encode refresh token response", zap.Error(err))
}
}
func (h *handler) handleLogout(w http.ResponseWriter, r *http.Request) {
http.SetCookie(w, &http.Cookie{
Domain: h.refreshTokenCookieDomain,
Path: "/auth/refresh",
Name: refreshTokenCookieName,
MaxAge: -1,
HttpOnly: true,
Secure: isSecure(r),
})
w.WriteHeader(http.StatusOK)
_, err := w.Write([]byte("ok"))
if err != nil {
h.logger.Error("Could not write logout response", zap.Error(err))
}
}
type indexData struct {
Config string
CspNonce string
}
var (
httpHeaderXForwardedProto = http.CanonicalHeaderKey("X-Forwarded-Proto")
httpHeaderXForwardedScheme = http.CanonicalHeaderKey("X-Forwarded-Scheme")
httpHeaderForwarded = http.CanonicalHeaderKey("Forwarded")
protoRegex = regexp.MustCompile(`(?i)(?:proto=)(https|http)`)
)
func isSecure(r *http.Request) bool {
if strings.EqualFold(r.URL.Scheme, "https") {
return true
}
var scheme string
if proto := r.Header.Get(httpHeaderXForwardedProto); proto != "" {
scheme = strings.ToLower(proto)
} else if proto = r.Header.Get(httpHeaderXForwardedScheme); proto != "" {
scheme = strings.ToLower(proto)
} else if proto = r.Header.Get(httpHeaderForwarded); proto != "" {
if match := protoRegex.FindStringSubmatch(proto); len(match) > 1 {
scheme = strings.ToLower(match[1])
}
}
return scheme == "https"
}
@@ -0,0 +1,125 @@
package httpserver
import (
"context"
"fmt"
"html/template"
"io/ioutil"
"log"
"mime"
"net/http"
"time"
"github.com/improbable-eng/grpc-web/go/grpcweb"
"go.uber.org/zap"
"golang.org/x/oauth2"
"go.c3c.cz/cv/app/server/internal/files"
)
func init() {
err := mime.AddExtensionType(".ico", "image/x-icon")
if err != nil {
log.Fatal(err)
}
err = mime.AddExtensionType(".json", "application/json; charset=utf-8")
if err != nil {
log.Fatal(err)
}
}
type Options struct {
BindAddr string
OAuth2 *oauth2.Config
GrpcWebServer *grpcweb.WrappedGrpcServer
FrontendConfig string
Logger *zap.Logger
LooseCORS bool
RefreshTokenCookieDomain string
RequireIndex bool
}
type server struct{ http.Server }
func New(options *Options) (*server, error) {
handler := &handler{
oauth2: options.OAuth2,
grpcWebServer: options.GrpcWebServer,
frontendConfig: options.FrontendConfig,
logger: options.Logger,
looseCORS: options.LooseCORS,
refreshTokenCookieDomain: options.RefreshTokenCookieDomain,
}
httpSrv := &server{
http.Server{
Addr: options.BindAddr,
Handler: handler,
},
}
index, err := files.Public.Open("data/public/index.html")
if err != nil {
if !options.RequireIndex {
return httpSrv, nil
}
return nil, fmt.Errorf("could not open index.html: %w", err)
}
fi, err := index.Stat()
if err != nil || fi.IsDir() {
if !options.RequireIndex {
return httpSrv, nil
}
return nil, fmt.Errorf("invalid index.html: %w", err)
}
tb, err := ioutil.ReadAll(index)
if err != nil {
if !options.RequireIndex {
return httpSrv, nil
}
return nil, fmt.Errorf("could not read index.html: %w", err)
}
handler.indexTemplate, err = template.New("index").Parse(string(tb))
if err != nil {
if !options.RequireIndex {
return httpSrv, nil
}
return nil, fmt.Errorf("could not parse index.html: index.html: %w", err)
}
return httpSrv, nil
}
func (s *server) ShutdownWithDelay(delay time.Duration, limit time.Duration) {
h, ok := s.Handler.(*handler)
var logger *zap.Logger
if ok {
logger = h.logger
} else {
logger = zap.L()
}
if delay > 0 {
logger.Info(fmt.Sprintf("Waiting %s for incoming requests\n", delay))
time.Sleep(delay)
}
ctx, cancel := context.WithTimeout(context.Background(), limit)
defer cancel()
logger.Info("Gracefully shutting down http server")
if err := s.Shutdown(ctx); err != nil {
logger.Error("Failed to shutdown http server", zap.Error(err))
} else {
logger.Info("Http server was stopped")
}
}
@@ -0,0 +1,58 @@
package pprofserver
import (
"net/http"
"go.uber.org/zap"
)
type Options struct {
BindAddr string
LogLevelHandler http.Handler
Logger *zap.Logger
}
type server struct {
addr string
logger *zap.Logger
ready bool
}
func New(options Options) *server {
s := &server{
addr: options.BindAddr,
logger: options.Logger,
}
http.Handle("/log/level", options.LogLevelHandler)
http.HandleFunc("/readyz", s.handleReady)
return s
}
func (s *server) ListenAndServe() error {
return http.ListenAndServe(s.addr, nil)
}
func (s *server) handleReady(w http.ResponseWriter, _ *http.Request) {
s.logger.Debug("Handling healthcheck request", zap.Bool("ready", s.ready))
if s.ready {
w.WriteHeader(http.StatusOK)
return
}
w.WriteHeader(http.StatusServiceUnavailable)
_, err := w.Write([]byte("shutting down"))
if err != nil {
s.logger.Error("Could not write ready response", zap.Error(err))
}
}
func (s *server) SetReady() {
s.ready = true
}
func (s *server) SetNotReady() {
s.ready = false
}
+36
View File
@@ -0,0 +1,36 @@
package version
import (
"encoding/json"
"time"
)
var (
JSON []byte
Commit string
CommitTime time.Time
Tag string
commitTime string
repoUrl string
)
func init() {
t, _ := time.Parse(time.RFC3339, commitTime)
CommitTime = t.In(time.UTC)
type v struct {
Source string `json:"source,omitempty"`
Version string `json:"version,omitempty"`
Commit string `json:"commit,omitempty"`
CommitTime time.Time `json:"commitTime,omitempty"`
}
JSON, _ = json.Marshal(v{
Source: repoUrl,
Version: Tag,
Commit: Commit,
CommitTime: CommitTime,
})
}
+126
View File
@@ -0,0 +1,126 @@
package main
import (
"fmt"
"net/http"
_ "net/http/pprof"
"os"
"os/signal"
"syscall"
"go.uber.org/zap"
"go.c3c.cz/cv/app/server/internal/config"
"go.c3c.cz/cv/app/server/internal/httpserver"
"go.c3c.cz/cv/app/server/internal/pprofserver"
"go.c3c.cz/cv/app/server/internal/version"
)
func main() {
defer handleExit()
notice := "Starting version "
if version.Tag != "" {
notice += version.Tag
} else {
notice += "latest"
}
if version.Commit != "" {
notice = fmt.Sprintf("%s (%s)", notice, version.Commit)
}
var logger *zap.Logger
var err error
logger, err = config.LoggerConfig.Build()
if err != nil {
fmt.Println(notice)
fmt.Println(version.CommitTime.Format("Committed at 2006/01/02 15:04:05 MST"))
panic(Exit{fmt.Errorf("logger creation failed")})
}
logger.Info(
"App initializing",
zap.String("version", version.Tag),
zap.String("commit", version.Commit),
zap.Time("commitTime", version.CommitTime),
)
defer func() {
_ = logger.Sync()
}()
httpSrv, err := httpserver.New(&httpserver.Options{
BindAddr: config.BindAddrHttp,
FrontendConfig: config.Frontend,
Logger: logger,
})
if err != nil {
logger.Error("HTTP server creation failed", zap.Error(err))
panic(Exit{err})
}
quit := struct {
os chan os.Signal
pprof chan error
http chan error
}{
os: make(chan os.Signal, 1),
pprof: make(chan error, 1),
http: make(chan error, 1),
}
pprofSrv := pprofserver.New(pprofserver.Options{
BindAddr: config.BindAddrPprof,
Logger: logger,
LogLevelHandler: config.LoggerConfig.Level,
})
// Pprof server.
go func() {
logger.Info("debug server was started", zap.String("BindAddr", config.BindAddrPprof))
quit.pprof <- pprofSrv.ListenAndServe()
}()
go func() {
logger.Info("http server was started", zap.String("BindAddr", config.BindAddrHttp))
pprofSrv.SetReady()
err := httpSrv.ListenAndServe()
if err != http.ErrServerClosed {
quit.http <- err
}
}()
logger.Info("application started")
signal.Notify(quit.os, os.Interrupt, syscall.SIGTERM)
select {
case s := <-quit.os:
sig, _ := s.(syscall.Signal)
logger.Info("Signal received\n", zap.Int("signal", int(sig)))
pprofSrv.SetNotReady()
httpSrv.ShutdownWithDelay(config.GraceTerminationDelay, config.GraceTerminationLimit)
case err := <-quit.pprof:
logger.Error("app shutdown was triggered by a pprof server error", zap.Error(err))
httpSrv.ShutdownWithDelay(config.GraceTerminationDelay, config.GraceTerminationLimit)
case err := <-quit.http:
logger.Error("app shutdown was triggered by an http server error", zap.Error(err))
}
}
type Exit struct {
err error
}
func handleExit() {
if e := recover(); e != nil {
if exit, ok := e.(Exit); ok {
fmt.Println(exit.err)
os.Exit(1)
}
panic(e)
}
}