mirror of
https://github.com/warmbly/warmbly.git
synced 2026-10-04 16:02:03 +00:00
108 lines
2.6 KiB
Go
108 lines
2.6 KiB
Go
package validate
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import (
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"net/mail"
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"regexp"
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"strings"
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"time"
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"github.com/warmbly/warmbly/internal/config"
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"github.com/warmbly/warmbly/internal/errx"
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)
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func Email(email string) bool {
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_, err := mail.ParseAddress(email)
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if err != nil {
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return false
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}
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return true
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}
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func EmailBulk(emails []string) bool {
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for i := range emails {
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if !Email(emails[i]) {
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return false
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}
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}
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return true
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}
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var nameRE = regexp.MustCompile(`^\p{L}[\p{L}\p{M}\p{N}'\-\.\s]{0,98}\p{L}$`)
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func EmailName(name *string) bool {
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*name = strings.TrimSpace(*name)
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if *name == "" {
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return false
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}
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runes := []rune(*name)
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if len(runes) < 2 {
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return false
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}
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if len(runes) > 100 {
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return false
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}
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if !nameRE.MatchString(*name) {
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return false
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}
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return true
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}
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// ValidateTrackingDomain checks a mailbox's custom tracking domain against the
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// same rule as the campaign override. Callers normalize the value first, so a
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// pasted URL is reduced to its host rather than rejected.
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func ValidateTrackingDomain(domain string) *errx.Error {
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if domain == "" {
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return errx.ErrEmailTrackingDomain
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}
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if len(domain) > 253 {
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return errx.ErrEmailTrackingDomainLength
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}
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if !TrackingHostname(strings.ToLower(domain)) {
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return errx.ErrEmailTrackingDomain
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}
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return nil
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}
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// EmailTimezone accepts an IANA zone name the runtime can actually load, or the
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// empty string meaning "not configured". A zone that does not resolve would be
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// silently coerced to UTC by the scheduler, which is how a mailbox ends up
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// sending at the wrong local hour with nothing to point at.
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func EmailTimezone(tz string) *errx.Error {
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if tz == "" {
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return nil
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}
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if len(tz) > 64 {
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return errx.ErrEmailTimezone
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}
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if _, err := time.LoadLocation(tz); err != nil {
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return errx.ErrEmailTimezone
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}
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return nil
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}
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// WarmupFolder accepts the folder (Gmail label) name warmup mail is filed
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// into, or the empty string meaning the instance default.
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//
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// The value is handed straight to a provider as a mailbox name, so it stays a
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// single-level printable name: a separator would create a child of whatever it
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// names (and "INBOX/Warmbly" on a server whose delimiter is "." is one folder
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// literally called that), and IMAP refuses control characters outright.
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func WarmupFolder(name string) *errx.Error {
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name = strings.TrimSpace(name)
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if name == "" {
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return nil
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}
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if len([]rune(name)) > config.WarmupFolderMaxLen {
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return errx.ErrEmailWarmupFolder
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}
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if strings.ContainsAny(name, `/\.%*"`) {
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return errx.ErrEmailWarmupFolder
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}
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for _, r := range name {
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if r < 0x20 || r == 0x7f {
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return errx.ErrEmailWarmupFolder
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}
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}
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return nil
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}
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