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ntfy/cmd/serve.go
binwiederhier 25d3a66f91 Upstream access token
2023-05-18 13:08:10 -04:00

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//go:build !noserver
package cmd
import (
"errors"
"fmt"
"github.com/stripe/stripe-go/v74"
"heckel.io/ntfy/user"
"io/fs"
"math"
"net"
"net/netip"
"os"
"os/signal"
"strings"
"syscall"
"time"
"heckel.io/ntfy/log"
"github.com/urfave/cli/v2"
"github.com/urfave/cli/v2/altsrc"
"heckel.io/ntfy/server"
"heckel.io/ntfy/util"
)
func init() {
commands = append(commands, cmdServe)
}
const (
defaultServerConfigFile = "/etc/ntfy/server.yml"
)
var flagsServe = append(
append([]cli.Flag{}, flagsDefault...),
&cli.StringFlag{Name: "config", Aliases: []string{"c"}, EnvVars: []string{"NTFY_CONFIG_FILE"}, Value: defaultServerConfigFile, DefaultText: defaultServerConfigFile, Usage: "config file"},
altsrc.NewStringFlag(&cli.StringFlag{Name: "base-url", Aliases: []string{"base_url", "B"}, EnvVars: []string{"NTFY_BASE_URL"}, Usage: "externally visible base URL for this host (e.g. https://ntfy.sh)"}),
altsrc.NewStringFlag(&cli.StringFlag{Name: "listen-http", Aliases: []string{"listen_http", "l"}, EnvVars: []string{"NTFY_LISTEN_HTTP"}, Value: server.DefaultListenHTTP, Usage: "ip:port used as HTTP listen address"}),
altsrc.NewStringFlag(&cli.StringFlag{Name: "listen-https", Aliases: []string{"listen_https", "L"}, EnvVars: []string{"NTFY_LISTEN_HTTPS"}, Usage: "ip:port used as HTTPS listen address"}),
altsrc.NewStringFlag(&cli.StringFlag{Name: "listen-unix", Aliases: []string{"listen_unix", "U"}, EnvVars: []string{"NTFY_LISTEN_UNIX"}, Usage: "listen on unix socket path"}),
altsrc.NewIntFlag(&cli.IntFlag{Name: "listen-unix-mode", Aliases: []string{"listen_unix_mode"}, EnvVars: []string{"NTFY_LISTEN_UNIX_MODE"}, DefaultText: "system default", Usage: "file permissions of unix socket, e.g. 0700"}),
altsrc.NewStringFlag(&cli.StringFlag{Name: "key-file", Aliases: []string{"key_file", "K"}, EnvVars: []string{"NTFY_KEY_FILE"}, Usage: "private key file, if listen-https is set"}),
altsrc.NewStringFlag(&cli.StringFlag{Name: "cert-file", Aliases: []string{"cert_file", "E"}, EnvVars: []string{"NTFY_CERT_FILE"}, Usage: "certificate file, if listen-https is set"}),
altsrc.NewStringFlag(&cli.StringFlag{Name: "firebase-key-file", Aliases: []string{"firebase_key_file", "F"}, EnvVars: []string{"NTFY_FIREBASE_KEY_FILE"}, Usage: "Firebase credentials file; if set additionally publish to FCM topic"}),
altsrc.NewStringFlag(&cli.StringFlag{Name: "cache-file", Aliases: []string{"cache_file", "C"}, EnvVars: []string{"NTFY_CACHE_FILE"}, Usage: "cache file used for message caching"}),
altsrc.NewDurationFlag(&cli.DurationFlag{Name: "cache-duration", Aliases: []string{"cache_duration", "b"}, EnvVars: []string{"NTFY_CACHE_DURATION"}, Value: server.DefaultCacheDuration, Usage: "buffer messages for this time to allow `since` requests"}),
altsrc.NewIntFlag(&cli.IntFlag{Name: "cache-batch-size", Aliases: []string{"cache_batch_size"}, EnvVars: []string{"NTFY_BATCH_SIZE"}, Usage: "max size of messages to batch together when writing to message cache (if zero, writes are synchronous)"}),
altsrc.NewDurationFlag(&cli.DurationFlag{Name: "cache-batch-timeout", Aliases: []string{"cache_batch_timeout"}, EnvVars: []string{"NTFY_CACHE_BATCH_TIMEOUT"}, Usage: "timeout for batched async writes to the message cache (if zero, writes are synchronous)"}),
altsrc.NewStringFlag(&cli.StringFlag{Name: "cache-startup-queries", Aliases: []string{"cache_startup_queries"}, EnvVars: []string{"NTFY_CACHE_STARTUP_QUERIES"}, Usage: "queries run when the cache database is initialized"}),
altsrc.NewStringFlag(&cli.StringFlag{Name: "auth-file", Aliases: []string{"auth_file", "H"}, EnvVars: []string{"NTFY_AUTH_FILE"}, Usage: "auth database file used for access control"}),
altsrc.NewStringFlag(&cli.StringFlag{Name: "auth-startup-queries", Aliases: []string{"auth_startup_queries"}, EnvVars: []string{"NTFY_AUTH_STARTUP_QUERIES"}, Usage: "queries run when the auth database is initialized"}),
altsrc.NewStringFlag(&cli.StringFlag{Name: "auth-default-access", Aliases: []string{"auth_default_access", "p"}, EnvVars: []string{"NTFY_AUTH_DEFAULT_ACCESS"}, Value: "read-write", Usage: "default permissions if no matching entries in the auth database are found"}),
altsrc.NewStringFlag(&cli.StringFlag{Name: "attachment-cache-dir", Aliases: []string{"attachment_cache_dir"}, EnvVars: []string{"NTFY_ATTACHMENT_CACHE_DIR"}, Usage: "cache directory for attached files"}),
altsrc.NewStringFlag(&cli.StringFlag{Name: "attachment-total-size-limit", Aliases: []string{"attachment_total_size_limit", "A"}, EnvVars: []string{"NTFY_ATTACHMENT_TOTAL_SIZE_LIMIT"}, DefaultText: "5G", Usage: "limit of the on-disk attachment cache"}),
altsrc.NewStringFlag(&cli.StringFlag{Name: "attachment-file-size-limit", Aliases: []string{"attachment_file_size_limit", "Y"}, EnvVars: []string{"NTFY_ATTACHMENT_FILE_SIZE_LIMIT"}, DefaultText: "15M", Usage: "per-file attachment size limit (e.g. 300k, 2M, 100M)"}),
altsrc.NewDurationFlag(&cli.DurationFlag{Name: "attachment-expiry-duration", Aliases: []string{"attachment_expiry_duration", "X"}, EnvVars: []string{"NTFY_ATTACHMENT_EXPIRY_DURATION"}, Value: server.DefaultAttachmentExpiryDuration, DefaultText: "3h", Usage: "duration after which uploaded attachments will be deleted (e.g. 3h, 20h)"}),
altsrc.NewDurationFlag(&cli.DurationFlag{Name: "keepalive-interval", Aliases: []string{"keepalive_interval", "k"}, EnvVars: []string{"NTFY_KEEPALIVE_INTERVAL"}, Value: server.DefaultKeepaliveInterval, Usage: "interval of keepalive messages"}),
altsrc.NewDurationFlag(&cli.DurationFlag{Name: "manager-interval", Aliases: []string{"manager_interval", "m"}, EnvVars: []string{"NTFY_MANAGER_INTERVAL"}, Value: server.DefaultManagerInterval, Usage: "interval of for message pruning and stats printing"}),
altsrc.NewStringSliceFlag(&cli.StringSliceFlag{Name: "disallowed-topics", Aliases: []string{"disallowed_topics"}, EnvVars: []string{"NTFY_DISALLOWED_TOPICS"}, Usage: "topics that are not allowed to be used"}),
altsrc.NewStringFlag(&cli.StringFlag{Name: "web-root", Aliases: []string{"web_root"}, EnvVars: []string{"NTFY_WEB_ROOT"}, Value: "/", Usage: "sets root of the web app (e.g. /, or /app), or disables it (disable)"}),
altsrc.NewBoolFlag(&cli.BoolFlag{Name: "enable-signup", Aliases: []string{"enable_signup"}, EnvVars: []string{"NTFY_ENABLE_SIGNUP"}, Value: false, Usage: "allows users to sign up via the web app, or API"}),
altsrc.NewBoolFlag(&cli.BoolFlag{Name: "enable-login", Aliases: []string{"enable_login"}, EnvVars: []string{"NTFY_ENABLE_LOGIN"}, Value: false, Usage: "allows users to log in via the web app, or API"}),
altsrc.NewBoolFlag(&cli.BoolFlag{Name: "enable-reservations", Aliases: []string{"enable_reservations"}, EnvVars: []string{"NTFY_ENABLE_RESERVATIONS"}, Value: false, Usage: "allows users to reserve topics (if their tier allows it)"}),
altsrc.NewStringFlag(&cli.StringFlag{Name: "upstream-base-url", Aliases: []string{"upstream_base_url"}, EnvVars: []string{"NTFY_UPSTREAM_BASE_URL"}, Value: "", Usage: "forward poll request to an upstream server, this is needed for iOS push notifications for self-hosted servers"}),
altsrc.NewStringFlag(&cli.StringFlag{Name: "upstream-access-token", Aliases: []string{"upstream_access_token"}, EnvVars: []string{"NTFY_UPSTREAM_ACCESS_TOKEN"}, Value: "", Usage: "access token to use for the upstream server; needed only if upstream rate limits are exceeded or upstream server requires auth"}),
altsrc.NewStringFlag(&cli.StringFlag{Name: "smtp-sender-addr", Aliases: []string{"smtp_sender_addr"}, EnvVars: []string{"NTFY_SMTP_SENDER_ADDR"}, Usage: "SMTP server address (host:port) for outgoing emails"}),
altsrc.NewStringFlag(&cli.StringFlag{Name: "smtp-sender-user", Aliases: []string{"smtp_sender_user"}, EnvVars: []string{"NTFY_SMTP_SENDER_USER"}, Usage: "SMTP user (if e-mail sending is enabled)"}),
altsrc.NewStringFlag(&cli.StringFlag{Name: "smtp-sender-pass", Aliases: []string{"smtp_sender_pass"}, EnvVars: []string{"NTFY_SMTP_SENDER_PASS"}, Usage: "SMTP password (if e-mail sending is enabled)"}),
altsrc.NewStringFlag(&cli.StringFlag{Name: "smtp-sender-from", Aliases: []string{"smtp_sender_from"}, EnvVars: []string{"NTFY_SMTP_SENDER_FROM"}, Usage: "SMTP sender address (if e-mail sending is enabled)"}),
altsrc.NewStringFlag(&cli.StringFlag{Name: "smtp-server-listen", Aliases: []string{"smtp_server_listen"}, EnvVars: []string{"NTFY_SMTP_SERVER_LISTEN"}, Usage: "SMTP server address (ip:port) for incoming emails, e.g. :25"}),
altsrc.NewStringFlag(&cli.StringFlag{Name: "smtp-server-domain", Aliases: []string{"smtp_server_domain"}, EnvVars: []string{"NTFY_SMTP_SERVER_DOMAIN"}, Usage: "SMTP domain for incoming e-mail, e.g. ntfy.sh"}),
altsrc.NewStringFlag(&cli.StringFlag{Name: "smtp-server-addr-prefix", Aliases: []string{"smtp_server_addr_prefix"}, EnvVars: []string{"NTFY_SMTP_SERVER_ADDR_PREFIX"}, Usage: "SMTP email address prefix for topics to prevent spam (e.g. 'ntfy-')"}),
altsrc.NewStringFlag(&cli.StringFlag{Name: "twilio-account", Aliases: []string{"twilio_account"}, EnvVars: []string{"NTFY_TWILIO_ACCOUNT"}, Usage: "Twilio account SID, used for phone calls, e.g. AC123..."}),
altsrc.NewStringFlag(&cli.StringFlag{Name: "twilio-auth-token", Aliases: []string{"twilio_auth_token"}, EnvVars: []string{"NTFY_TWILIO_AUTH_TOKEN"}, Usage: "Twilio auth token"}),
altsrc.NewStringFlag(&cli.StringFlag{Name: "twilio-from-number", Aliases: []string{"twilio_from_number"}, EnvVars: []string{"NTFY_TWILIO_FROM_NUMBER"}, Usage: "Twilio number to use for outgoing calls"}),
altsrc.NewStringFlag(&cli.StringFlag{Name: "twilio-verify-service", Aliases: []string{"twilio_verify_service"}, EnvVars: []string{"NTFY_TWILIO_VERIFY_SERVICE"}, Usage: "Twilio Verify service ID, used for phone number verification"}),
altsrc.NewIntFlag(&cli.IntFlag{Name: "global-topic-limit", Aliases: []string{"global_topic_limit", "T"}, EnvVars: []string{"NTFY_GLOBAL_TOPIC_LIMIT"}, Value: server.DefaultTotalTopicLimit, Usage: "total number of topics allowed"}),
altsrc.NewIntFlag(&cli.IntFlag{Name: "visitor-subscription-limit", Aliases: []string{"visitor_subscription_limit"}, EnvVars: []string{"NTFY_VISITOR_SUBSCRIPTION_LIMIT"}, Value: server.DefaultVisitorSubscriptionLimit, Usage: "number of subscriptions per visitor"}),
altsrc.NewStringFlag(&cli.StringFlag{Name: "visitor-attachment-total-size-limit", Aliases: []string{"visitor_attachment_total_size_limit"}, EnvVars: []string{"NTFY_VISITOR_ATTACHMENT_TOTAL_SIZE_LIMIT"}, Value: "100M", Usage: "total storage limit used for attachments per visitor"}),
altsrc.NewStringFlag(&cli.StringFlag{Name: "visitor-attachment-daily-bandwidth-limit", Aliases: []string{"visitor_attachment_daily_bandwidth_limit"}, EnvVars: []string{"NTFY_VISITOR_ATTACHMENT_DAILY_BANDWIDTH_LIMIT"}, Value: "500M", Usage: "total daily attachment download/upload bandwidth limit per visitor"}),
altsrc.NewIntFlag(&cli.IntFlag{Name: "visitor-request-limit-burst", Aliases: []string{"visitor_request_limit_burst"}, EnvVars: []string{"NTFY_VISITOR_REQUEST_LIMIT_BURST"}, Value: server.DefaultVisitorRequestLimitBurst, Usage: "initial limit of requests per visitor"}),
altsrc.NewDurationFlag(&cli.DurationFlag{Name: "visitor-request-limit-replenish", Aliases: []string{"visitor_request_limit_replenish"}, EnvVars: []string{"NTFY_VISITOR_REQUEST_LIMIT_REPLENISH"}, Value: server.DefaultVisitorRequestLimitReplenish, Usage: "interval at which burst limit is replenished (one per x)"}),
altsrc.NewStringFlag(&cli.StringFlag{Name: "visitor-request-limit-exempt-hosts", Aliases: []string{"visitor_request_limit_exempt_hosts"}, EnvVars: []string{"NTFY_VISITOR_REQUEST_LIMIT_EXEMPT_HOSTS"}, Value: "", Usage: "hostnames and/or IP addresses of hosts that will be exempt from the visitor request limit"}),
altsrc.NewIntFlag(&cli.IntFlag{Name: "visitor-message-daily-limit", Aliases: []string{"visitor_message_daily_limit"}, EnvVars: []string{"NTFY_VISITOR_MESSAGE_DAILY_LIMIT"}, Value: server.DefaultVisitorMessageDailyLimit, Usage: "max messages per visitor per day, derived from request limit if unset"}),
altsrc.NewIntFlag(&cli.IntFlag{Name: "visitor-email-limit-burst", Aliases: []string{"visitor_email_limit_burst"}, EnvVars: []string{"NTFY_VISITOR_EMAIL_LIMIT_BURST"}, Value: server.DefaultVisitorEmailLimitBurst, Usage: "initial limit of e-mails per visitor"}),
altsrc.NewDurationFlag(&cli.DurationFlag{Name: "visitor-email-limit-replenish", Aliases: []string{"visitor_email_limit_replenish"}, EnvVars: []string{"NTFY_VISITOR_EMAIL_LIMIT_REPLENISH"}, Value: server.DefaultVisitorEmailLimitReplenish, Usage: "interval at which burst limit is replenished (one per x)"}),
altsrc.NewBoolFlag(&cli.BoolFlag{Name: "visitor-subscriber-rate-limiting", Aliases: []string{"visitor_subscriber_rate_limiting"}, EnvVars: []string{"NTFY_VISITOR_SUBSCRIBER_RATE_LIMITING"}, Value: false, Usage: "enables subscriber-based rate limiting"}),
altsrc.NewBoolFlag(&cli.BoolFlag{Name: "behind-proxy", Aliases: []string{"behind_proxy", "P"}, EnvVars: []string{"NTFY_BEHIND_PROXY"}, Value: false, Usage: "if set, use X-Forwarded-For header to determine visitor IP address (for rate limiting)"}),
altsrc.NewStringFlag(&cli.StringFlag{Name: "stripe-secret-key", Aliases: []string{"stripe_secret_key"}, EnvVars: []string{"NTFY_STRIPE_SECRET_KEY"}, Value: "", Usage: "key used for the Stripe API communication, this enables payments"}),
altsrc.NewStringFlag(&cli.StringFlag{Name: "stripe-webhook-key", Aliases: []string{"stripe_webhook_key"}, EnvVars: []string{"NTFY_STRIPE_WEBHOOK_KEY"}, Value: "", Usage: "key required to validate the authenticity of incoming webhooks from Stripe"}),
altsrc.NewStringFlag(&cli.StringFlag{Name: "billing-contact", Aliases: []string{"billing_contact"}, EnvVars: []string{"NTFY_BILLING_CONTACT"}, Value: "", Usage: "e-mail or website to display in upgrade dialog (only if payments are enabled)"}),
altsrc.NewBoolFlag(&cli.BoolFlag{Name: "enable-metrics", Aliases: []string{"enable_metrics"}, EnvVars: []string{"NTFY_ENABLE_METRICS"}, Value: false, Usage: "if set, Prometheus metrics are exposed via the /metrics endpoint"}),
altsrc.NewStringFlag(&cli.StringFlag{Name: "metrics-listen-http", Aliases: []string{"metrics_listen_http"}, EnvVars: []string{"NTFY_METRICS_LISTEN_HTTP"}, Usage: "ip:port used to expose the metrics endpoint (implicitly enables metrics)"}),
altsrc.NewStringFlag(&cli.StringFlag{Name: "profile-listen-http", Aliases: []string{"profile_listen_http"}, EnvVars: []string{"NTFY_PROFILE_LISTEN_HTTP"}, Usage: "ip:port used to expose the profiling endpoints (implicitly enables profiling)"}),
)
var cmdServe = &cli.Command{
Name: "serve",
Usage: "Run the ntfy server",
UsageText: "ntfy serve [OPTIONS..]",
Action: execServe,
Category: categoryServer,
Flags: flagsServe,
Before: initConfigFileInputSourceFunc("config", flagsServe, initLogFunc),
Description: `Run the ntfy server and listen for incoming requests
The command will load the configuration from /etc/ntfy/server.yml. Config options can
be overridden using the command line options.
Examples:
ntfy serve # Starts server in the foreground (on port 80)
ntfy serve --listen-http :8080 # Starts server with alternate port`,
}
func execServe(c *cli.Context) error {
if c.NArg() > 0 {
return errors.New("no arguments expected, see 'ntfy serve --help' for help")
}
// Read all the options
config := c.String("config")
baseURL := c.String("base-url")
listenHTTP := c.String("listen-http")
listenHTTPS := c.String("listen-https")
listenUnix := c.String("listen-unix")
listenUnixMode := c.Int("listen-unix-mode")
keyFile := c.String("key-file")
certFile := c.String("cert-file")
firebaseKeyFile := c.String("firebase-key-file")
cacheFile := c.String("cache-file")
cacheDuration := c.Duration("cache-duration")
cacheStartupQueries := c.String("cache-startup-queries")
cacheBatchSize := c.Int("cache-batch-size")
cacheBatchTimeout := c.Duration("cache-batch-timeout")
authFile := c.String("auth-file")
authStartupQueries := c.String("auth-startup-queries")
authDefaultAccess := c.String("auth-default-access")
attachmentCacheDir := c.String("attachment-cache-dir")
attachmentTotalSizeLimitStr := c.String("attachment-total-size-limit")
attachmentFileSizeLimitStr := c.String("attachment-file-size-limit")
attachmentExpiryDuration := c.Duration("attachment-expiry-duration")
keepaliveInterval := c.Duration("keepalive-interval")
managerInterval := c.Duration("manager-interval")
disallowedTopics := c.StringSlice("disallowed-topics")
webRoot := c.String("web-root")
enableSignup := c.Bool("enable-signup")
enableLogin := c.Bool("enable-login")
enableReservations := c.Bool("enable-reservations")
upstreamBaseURL := c.String("upstream-base-url")
upstreamAccessToken := c.String("upstream-access-token")
smtpSenderAddr := c.String("smtp-sender-addr")
smtpSenderUser := c.String("smtp-sender-user")
smtpSenderPass := c.String("smtp-sender-pass")
smtpSenderFrom := c.String("smtp-sender-from")
smtpServerListen := c.String("smtp-server-listen")
smtpServerDomain := c.String("smtp-server-domain")
smtpServerAddrPrefix := c.String("smtp-server-addr-prefix")
twilioAccount := c.String("twilio-account")
twilioAuthToken := c.String("twilio-auth-token")
twilioFromNumber := c.String("twilio-from-number")
twilioVerifyService := c.String("twilio-verify-service")
totalTopicLimit := c.Int("global-topic-limit")
visitorSubscriptionLimit := c.Int("visitor-subscription-limit")
visitorSubscriberRateLimiting := c.Bool("visitor-subscriber-rate-limiting")
visitorAttachmentTotalSizeLimitStr := c.String("visitor-attachment-total-size-limit")
visitorAttachmentDailyBandwidthLimitStr := c.String("visitor-attachment-daily-bandwidth-limit")
visitorRequestLimitBurst := c.Int("visitor-request-limit-burst")
visitorRequestLimitReplenish := c.Duration("visitor-request-limit-replenish")
visitorRequestLimitExemptHosts := util.SplitNoEmpty(c.String("visitor-request-limit-exempt-hosts"), ",")
visitorMessageDailyLimit := c.Int("visitor-message-daily-limit")
visitorEmailLimitBurst := c.Int("visitor-email-limit-burst")
visitorEmailLimitReplenish := c.Duration("visitor-email-limit-replenish")
behindProxy := c.Bool("behind-proxy")
stripeSecretKey := c.String("stripe-secret-key")
stripeWebhookKey := c.String("stripe-webhook-key")
billingContact := c.String("billing-contact")
metricsListenHTTP := c.String("metrics-listen-http")
enableMetrics := c.Bool("enable-metrics") || metricsListenHTTP != ""
profileListenHTTP := c.String("profile-listen-http")
// Check values
if firebaseKeyFile != "" && !util.FileExists(firebaseKeyFile) {
return errors.New("if set, FCM key file must exist")
} else if keepaliveInterval < 5*time.Second {
return errors.New("keepalive interval cannot be lower than five seconds")
} else if managerInterval < 5*time.Second {
return errors.New("manager interval cannot be lower than five seconds")
} else if cacheDuration > 0 && cacheDuration < managerInterval {
return errors.New("cache duration cannot be lower than manager interval")
} else if keyFile != "" && !util.FileExists(keyFile) {
return errors.New("if set, key file must exist")
} else if certFile != "" && !util.FileExists(certFile) {
return errors.New("if set, certificate file must exist")
} else if listenHTTPS != "" && (keyFile == "" || certFile == "") {
return errors.New("if listen-https is set, both key-file and cert-file must be set")
} else if smtpSenderAddr != "" && (baseURL == "" || smtpSenderFrom == "") {
return errors.New("if smtp-sender-addr is set, base-url, and smtp-sender-from must also be set")
} else if smtpServerListen != "" && smtpServerDomain == "" {
return errors.New("if smtp-server-listen is set, smtp-server-domain must also be set")
} else if attachmentCacheDir != "" && baseURL == "" {
return errors.New("if attachment-cache-dir is set, base-url must also be set")
} else if baseURL != "" && !strings.HasPrefix(baseURL, "http://") && !strings.HasPrefix(baseURL, "https://") {
return errors.New("if set, base-url must start with http:// or https://")
} else if baseURL != "" && strings.HasSuffix(baseURL, "/") {
return errors.New("if set, base-url must not end with a slash (/)")
} else if upstreamBaseURL != "" && !strings.HasPrefix(upstreamBaseURL, "http://") && !strings.HasPrefix(upstreamBaseURL, "https://") {
return errors.New("if set, upstream-base-url must start with http:// or https://")
} else if upstreamBaseURL != "" && strings.HasSuffix(upstreamBaseURL, "/") {
return errors.New("if set, upstream-base-url must not end with a slash (/)")
} else if upstreamBaseURL != "" && baseURL == "" {
return errors.New("if upstream-base-url is set, base-url must also be set")
} else if upstreamBaseURL != "" && baseURL != "" && baseURL == upstreamBaseURL {
return errors.New("base-url and upstream-base-url cannot be identical, you'll likely want to set upstream-base-url to https://ntfy.sh, see https://ntfy.sh/docs/config/#ios-instant-notifications")
} else if authFile == "" && (enableSignup || enableLogin || enableReservations || stripeSecretKey != "") {
return errors.New("cannot set enable-signup, enable-login, enable-reserve-topics, or stripe-secret-key if auth-file is not set")
} else if enableSignup && !enableLogin {
return errors.New("cannot set enable-signup without also setting enable-login")
} else if stripeSecretKey != "" && (stripeWebhookKey == "" || baseURL == "") {
return errors.New("if stripe-secret-key is set, stripe-webhook-key and base-url must also be set")
} else if twilioAccount != "" && (twilioAuthToken == "" || twilioFromNumber == "" || twilioVerifyService == "" || baseURL == "" || authFile == "") {
return errors.New("if twilio-account is set, twilio-auth-token, twilio-from-number, twilio-verify-service, base-url, and auth-file must also be set")
}
// Backwards compatibility
if webRoot == "app" {
webRoot = "/"
} else if webRoot == "home" {
webRoot = "/app"
} else if webRoot == "disable" {
webRoot = ""
} else if !strings.HasPrefix(webRoot, "/") {
webRoot = "/" + webRoot
}
// Default auth permissions
authDefault, err := user.ParsePermission(authDefaultAccess)
if err != nil {
return errors.New("if set, auth-default-access must start set to 'read-write', 'read-only', 'write-only' or 'deny-all'")
}
// Special case: Unset default
if listenHTTP == "-" {
listenHTTP = ""
}
// Convert sizes to bytes
attachmentTotalSizeLimit, err := parseSize(attachmentTotalSizeLimitStr, server.DefaultAttachmentTotalSizeLimit)
if err != nil {
return err
}
attachmentFileSizeLimit, err := parseSize(attachmentFileSizeLimitStr, server.DefaultAttachmentFileSizeLimit)
if err != nil {
return err
}
visitorAttachmentTotalSizeLimit, err := parseSize(visitorAttachmentTotalSizeLimitStr, server.DefaultVisitorAttachmentTotalSizeLimit)
if err != nil {
return err
}
visitorAttachmentDailyBandwidthLimit, err := parseSize(visitorAttachmentDailyBandwidthLimitStr, server.DefaultVisitorAttachmentDailyBandwidthLimit)
if err != nil {
return err
} else if visitorAttachmentDailyBandwidthLimit > math.MaxInt {
return fmt.Errorf("config option visitor-attachment-daily-bandwidth-limit must be lower than %d", math.MaxInt)
}
// Resolve hosts
visitorRequestLimitExemptIPs := make([]netip.Prefix, 0)
for _, host := range visitorRequestLimitExemptHosts {
ips, err := parseIPHostPrefix(host)
if err != nil {
log.Warn("cannot resolve host %s: %s, ignoring visitor request exemption", host, err.Error())
continue
}
visitorRequestLimitExemptIPs = append(visitorRequestLimitExemptIPs, ips...)
}
// Stripe things
if stripeSecretKey != "" {
stripe.EnableTelemetry = false // Whoa!
stripe.Key = stripeSecretKey
}
// Add default forbidden topics
disallowedTopics = append(disallowedTopics, server.DefaultDisallowedTopics...)
// Run server
conf := server.NewConfig()
conf.File = config
conf.BaseURL = baseURL
conf.ListenHTTP = listenHTTP
conf.ListenHTTPS = listenHTTPS
conf.ListenUnix = listenUnix
conf.ListenUnixMode = fs.FileMode(listenUnixMode)
conf.KeyFile = keyFile
conf.CertFile = certFile
conf.FirebaseKeyFile = firebaseKeyFile
conf.CacheFile = cacheFile
conf.CacheDuration = cacheDuration
conf.CacheStartupQueries = cacheStartupQueries
conf.CacheBatchSize = cacheBatchSize
conf.CacheBatchTimeout = cacheBatchTimeout
conf.AuthFile = authFile
conf.AuthStartupQueries = authStartupQueries
conf.AuthDefault = authDefault
conf.AttachmentCacheDir = attachmentCacheDir
conf.AttachmentTotalSizeLimit = attachmentTotalSizeLimit
conf.AttachmentFileSizeLimit = attachmentFileSizeLimit
conf.AttachmentExpiryDuration = attachmentExpiryDuration
conf.KeepaliveInterval = keepaliveInterval
conf.ManagerInterval = managerInterval
conf.DisallowedTopics = disallowedTopics
conf.WebRoot = webRoot
conf.UpstreamBaseURL = upstreamBaseURL
conf.UpstreamAccessToken = upstreamAccessToken
conf.SMTPSenderAddr = smtpSenderAddr
conf.SMTPSenderUser = smtpSenderUser
conf.SMTPSenderPass = smtpSenderPass
conf.SMTPSenderFrom = smtpSenderFrom
conf.SMTPServerListen = smtpServerListen
conf.SMTPServerDomain = smtpServerDomain
conf.SMTPServerAddrPrefix = smtpServerAddrPrefix
conf.TwilioAccount = twilioAccount
conf.TwilioAuthToken = twilioAuthToken
conf.TwilioFromNumber = twilioFromNumber
conf.TwilioVerifyService = twilioVerifyService
conf.TotalTopicLimit = totalTopicLimit
conf.VisitorSubscriptionLimit = visitorSubscriptionLimit
conf.VisitorAttachmentTotalSizeLimit = visitorAttachmentTotalSizeLimit
conf.VisitorAttachmentDailyBandwidthLimit = visitorAttachmentDailyBandwidthLimit
conf.VisitorRequestLimitBurst = visitorRequestLimitBurst
conf.VisitorRequestLimitReplenish = visitorRequestLimitReplenish
conf.VisitorRequestExemptIPAddrs = visitorRequestLimitExemptIPs
conf.VisitorMessageDailyLimit = visitorMessageDailyLimit
conf.VisitorEmailLimitBurst = visitorEmailLimitBurst
conf.VisitorEmailLimitReplenish = visitorEmailLimitReplenish
conf.VisitorSubscriberRateLimiting = visitorSubscriberRateLimiting
conf.BehindProxy = behindProxy
conf.StripeSecretKey = stripeSecretKey
conf.StripeWebhookKey = stripeWebhookKey
conf.BillingContact = billingContact
conf.EnableSignup = enableSignup
conf.EnableLogin = enableLogin
conf.EnableReservations = enableReservations
conf.EnableMetrics = enableMetrics
conf.MetricsListenHTTP = metricsListenHTTP
conf.ProfileListenHTTP = profileListenHTTP
conf.Version = c.App.Version
// Set up hot-reloading of config
go sigHandlerConfigReload(config)
// Run server
s, err := server.New(conf)
if err != nil {
log.Fatal(err.Error())
} else if err := s.Run(); err != nil {
log.Fatal(err.Error())
}
log.Info("Exiting.")
return nil
}
func parseSize(s string, defaultValue int64) (v int64, err error) {
if s == "" {
return defaultValue, nil
}
v, err = util.ParseSize(s)
if err != nil {
return 0, err
}
return v, nil
}
func sigHandlerConfigReload(config string) {
sigs := make(chan os.Signal, 1)
signal.Notify(sigs, syscall.SIGHUP)
for range sigs {
log.Info("Partially hot reloading configuration ...")
inputSource, err := newYamlSourceFromFile(config, flagsServe)
if err != nil {
log.Warn("Hot reload failed: %s", err.Error())
continue
}
if err := reloadLogLevel(inputSource); err != nil {
log.Warn("Reloading log level failed: %s", err.Error())
}
}
}
func parseIPHostPrefix(host string) (prefixes []netip.Prefix, err error) {
// Try parsing as prefix, e.g. 10.0.1.0/24
prefix, err := netip.ParsePrefix(host)
if err == nil {
prefixes = append(prefixes, prefix.Masked())
return prefixes, nil
}
// Not a prefix, parse as host or IP (LookupHost passes through an IP as is)
ips, err := net.LookupHost(host)
if err != nil {
return nil, err
}
for _, ipStr := range ips {
ip, err := netip.ParseAddr(ipStr)
if err == nil {
prefix, err := ip.Prefix(ip.BitLen())
if err != nil {
return nil, fmt.Errorf("%s successfully parsed but unable to make prefix: %s", ip.String(), err.Error())
}
prefixes = append(prefixes, prefix.Masked())
}
}
return
}
func reloadLogLevel(inputSource altsrc.InputSourceContext) error {
newLevelStr, err := inputSource.String("log-level")
if err != nil {
return fmt.Errorf("cannot load log level: %s", err.Error())
}
overrides, err := inputSource.StringSlice("log-level-overrides")
if err != nil {
return fmt.Errorf("cannot load log level overrides (1): %s", err.Error())
}
log.ResetLevelOverrides()
if err := applyLogLevelOverrides(overrides); err != nil {
return fmt.Errorf("cannot load log level overrides (2): %s", err.Error())
}
log.SetLevel(log.ToLevel(newLevelStr))
if len(overrides) > 0 {
log.Info("Log level is %v, %d override(s) in place", strings.ToUpper(newLevelStr), len(overrides))
} else {
log.Info("Log level is %v", strings.ToUpper(newLevelStr))
}
return nil
}
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