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Big restructuring and initial work on activitypub
This commit is contained in:
Tobi Smethurst
2021-05-08 14:25:55 +02:00
committed by GitHub
parent ac9adb172b
commit 6f5c045284
183 changed files with 7391 additions and 5414 deletions
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79
internal/util/regexes.go
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@ -18,19 +18,78 @@
package util
import "regexp"
import (
"fmt"
"regexp"
)
const (
minimumPasswordEntropy = 60 // dictates password strength. See https://github.com/wagslane/go-password-validator
minimumReasonLength = 40
maximumReasonLength = 500
maximumEmailLength = 256
maximumUsernameLength = 64
maximumPasswordLength = 64
maximumEmojiShortcodeLength = 30
maximumHashtagLength = 30
)
var (
// mention regex can be played around with here: https://regex101.com/r/qwM9D3/1
mentionRegexString = `(?: |^|\W)(@[a-zA-Z0-9_]+(?:@[a-zA-Z0-9_\-\.]+)?)(?: |\n)`
mentionRegex = regexp.MustCompile(mentionRegexString)
mentionFinderRegexString = `(?: |^|\W)(@[a-zA-Z0-9_]+(?:@[a-zA-Z0-9_\-\.]+)?)(?: |\n)`
mentionFinderRegex = regexp.MustCompile(mentionFinderRegexString)
// hashtag regex can be played with here: https://regex101.com/r/Vhy8pg/1
hashtagRegexString = `(?: |^|\W)?#([a-zA-Z0-9]{1,30})(?:\b|\r)`
hashtagRegex = regexp.MustCompile(hashtagRegexString)
// emoji regex can be played with here: https://regex101.com/r/478XGM/1
emojiRegexString = `(?: |^|\W)?:([a-zA-Z0-9_]{2,30}):(?:\b|\r)?`
emojiRegex = regexp.MustCompile(emojiRegexString)
hashtagFinderRegexString = fmt.Sprintf(`(?: |^|\W)?#([a-zA-Z0-9]{1,%d})(?:\b|\r)`, maximumHashtagLength)
hashtagFinderRegex = regexp.MustCompile(hashtagFinderRegexString)
// emoji shortcode regex can be played with here: https://regex101.com/r/zMDRaG/1
emojiShortcodeString = `^[a-z0-9_]{2,30}$`
emojiShortcodeRegex = regexp.MustCompile(emojiShortcodeString)
emojiShortcodeRegexString = fmt.Sprintf(`[a-z0-9_]{2,%d}`, maximumEmojiShortcodeLength)
emojiShortcodeValidationRegex = regexp.MustCompile(fmt.Sprintf("^%s$", emojiShortcodeRegexString))
// emoji regex can be played with here: https://regex101.com/r/478XGM/1
emojiFinderRegexString = fmt.Sprintf(`(?: |^|\W)?:(%s):(?:\b|\r)?`, emojiShortcodeRegexString)
emojiFinderRegex = regexp.MustCompile(emojiFinderRegexString)
// usernameRegexString defines an acceptable username on this instance
usernameRegexString = fmt.Sprintf(`[a-z0-9_]{2,%d}`, maximumUsernameLength)
// usernameValidationRegex can be used to validate usernames of new signups
usernameValidationRegex = regexp.MustCompile(fmt.Sprintf(`^%s$`, usernameRegexString))
userPathRegexString = fmt.Sprintf(`^?/%s/(%s)$`, UsersPath, usernameRegexString)
// userPathRegex parses a path that validates and captures the username part from eg /users/example_username
userPathRegex = regexp.MustCompile(userPathRegexString)
inboxPathRegexString = fmt.Sprintf(`^/?%s/(%s)/%s$`, UsersPath, usernameRegexString, InboxPath)
// inboxPathRegex parses a path that validates and captures the username part from eg /users/example_username/inbox
inboxPathRegex = regexp.MustCompile(inboxPathRegexString)
outboxPathRegexString = fmt.Sprintf(`^/?%s/(%s)/%s$`, UsersPath, usernameRegexString, OutboxPath)
// outboxPathRegex parses a path that validates and captures the username part from eg /users/example_username/outbox
outboxPathRegex = regexp.MustCompile(outboxPathRegexString)
actorPathRegexString = fmt.Sprintf(`^?/%s/(%s)$`, ActorsPath, usernameRegexString)
// actorPathRegex parses a path that validates and captures the username part from eg /actors/example_username
actorPathRegex = regexp.MustCompile(actorPathRegexString)
followersPathRegexString = fmt.Sprintf(`^/?%s/(%s)/%s$`, UsersPath, usernameRegexString, FollowersPath)
// followersPathRegex parses a path that validates and captures the username part from eg /users/example_username/followers
followersPathRegex = regexp.MustCompile(followersPathRegexString)
followingPathRegexString = fmt.Sprintf(`^/?%s/(%s)/%s$`, UsersPath, usernameRegexString, FollowingPath)
// followingPathRegex parses a path that validates and captures the username part from eg /users/example_username/following
followingPathRegex = regexp.MustCompile(followingPathRegexString)
likedPathRegexString = fmt.Sprintf(`^/?%s/%s/%s$`, UsersPath, usernameRegexString, LikedPath)
// followingPathRegex parses a path that validates and captures the username part from eg /users/example_username/liked
likedPathRegex = regexp.MustCompile(likedPathRegexString)
// see https://ihateregex.io/expr/uuid/
uuidRegexString = `[0-9a-fA-F]{8}\b-[0-9a-fA-F]{4}\b-[0-9a-fA-F]{4}\b-[0-9a-fA-F]{4}\b-[0-9a-fA-F]{12}`
statusesPathRegexString = fmt.Sprintf(`^/?%s/(%s)/%s/(%s)$`, UsersPath, usernameRegexString, StatusesPath, uuidRegexString)
// statusesPathRegex parses a path that validates and captures the username part and the uuid part
// from eg /users/example_username/statuses/123e4567-e89b-12d3-a456-426655440000.
// The regex can be played with here: https://regex101.com/r/G9zuxQ/1
statusesPathRegex = regexp.MustCompile(statusesPathRegexString)
)