forked from stakwork/sphinx-tribes
-
Notifications
You must be signed in to change notification settings - Fork 0
/
twitter.go
156 lines (133 loc) · 3.57 KB
/
twitter.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
package main
// https://github.com/twitterdev/Twitter-API-v2-sample-code/blob/master/User-Tweet-Timeline/user_tweets.js
import (
"errors"
"os"
"strings"
"github.com/imroc/req"
)
func ConfirmIdentityTweet(username string) (string, error) {
id, err := LookupUserID(username)
if err != nil {
return "", err
}
token, err := LookupUserTweet(id)
if err != nil {
return "", err
}
// fmt.Println("tok", token)
pubkey, err := VerifyArbitrary(token, "Sphinx Verification")
return pubkey, err
}
type UserResponse struct {
Username string `json:"username"`
Name string `json:"name"`
ID string `json:"id"`
Description string `json:"description"`
}
type LookupUserIDResponse struct {
Data []UserResponse `json:"data"`
}
func LookupUserID(username string) (string, error) {
twitterToken := os.Getenv("TWITTER_TOKEN")
if twitterToken == "" {
return "", errors.New("no twitter token")
}
url := "https://api.twitter.com/2/users/by?usernames=" + username
url += "&user.fields=created_at,description"
url += "&expansions=pinned_tweet_id"
re, err := req.Get(url, req.Header{
"User-Agent": "sphinx_tribes",
"authorization": "Bearer " + twitterToken,
})
if err != nil {
return "", err
}
var res LookupUserIDResponse
re.ToJSON(&res)
if res.Data == nil {
return "", errors.New("no data")
}
if len(res.Data) == 0 {
return "", errors.New("no data")
}
if res.Data[0].ID == "" {
return "", errors.New("no ID")
}
return res.Data[0].ID, nil
}
type TweetResponse struct {
ID string `json:"id"`
Text string `json:"text"`
}
type LookupUserTweetResponse struct {
Data []TweetResponse `json:"data"`
}
func LookupUserTweet(userID string) (string, error) {
twitterToken := os.Getenv("TWITTER_TOKEN")
if twitterToken == "" {
return "", errors.New("no twitter token")
}
url := "https://api.twitter.com/2/users/" + userID + "/tweets"
url += "?max_results=100"
url += "&tweet.fields=created_at"
url += "&expansions=author_id"
re, err := req.Get(url, req.Header{
"User-Agent": "sphinx_tribes",
"authorization": "Bearer " + twitterToken,
})
if err != nil {
return "", err
}
var res LookupUserTweetResponse
re.ToJSON(&res)
if res.Data == nil {
return "", errors.New("no data")
}
if len(res.Data) == 0 {
return "", errors.New("no data")
}
prefixes := []string{
"Sphinx Verification: ",
"Sphinx verification: ",
"sphinx verification: ",
"Sphinx verify: ",
"Sphinx Verify: ",
}
// these are used in case the prefix is buried in the middle of a tweet
split_prefixes := []string{
"Verification:",
"verification:",
"verify:",
"Verify:",
}
for _, tweet := range res.Data {
for _, prefix := range prefixes {
if strings.Contains(tweet.Text, prefix) {
// yes the tweet contains to prefix
if strings.HasPrefix(tweet.Text, prefix) {
// if not preceded by text, trim the prefix to return the code
return strings.TrimPrefix(tweet.Text, prefix), nil
} else {
// split the tweet by spaces, compare to split_prefixes
tweet_words := strings.Split(tweet.Text, " ")
// find the prefix index, and return the following index (the verification code)
for i, word := range tweet_words {
for _, s_prefix := range split_prefixes {
if word == s_prefix {
// Found it!
// make sure that there is a word after this one
if (len(tweet_words) - 1) > i {
// the next index should be the verification code
next_index := (i + 1)
return tweet_words[next_index], nil
}
}
}
}
}
}
}
}
return "", errors.New("did not find the tweet")
}