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
|
package client
import (
"context"
"sort"
"strings"
"codeberg.org/eduVPN/eduvpn-common/i18n/err"
"codeberg.org/eduVPN/eduvpn-common/types/cookie"
discotypes "codeberg.org/eduVPN/eduvpn-common/types/discovery"
)
func (c *Client) hasDiscovery() bool {
// see https://git.sr.ht/~fkooman/vpn-user-portal/tree/v3/item/src/OAuth/VpnClientDb.php
return strings.HasPrefix(c.Name, "org.eduvpn.app")
}
// DiscoOrganizations gets the organizations list from the discovery server with search string `search`
// If the list cannot be retrieved an error is returned.
// If this is the case then a previous version of the list is returned if there is any.
// This takes into account the frequency of updates, see: https://github.com/eduvpn/documentation/blob/v3/SERVER_DISCOVERY.md#organization-list.
// cache is set to true if there should be no network call done
func (c *Client) DiscoOrganizations(ck *cookie.Cookie, cache bool, search string) (*discotypes.Organizations, error) {
// Not supported with Let's Connect! & govVPN
if !c.hasDiscovery() {
return nil, i18nerr.NewInternal("Organization discovery with this client ID is not supported")
}
disco, release := c.discoMan.Discovery(true)
defer release()
orgs, fresh, err := disco.Organizations(ck.Context(), cache)
if fresh {
defer c.TrySave()
}
if err != nil {
err = i18nerr.Wrap(err, "Failed to obtain the list of organizations")
}
if orgs == nil {
return nil, err
}
// convert to public subset
var retOrgs []discotypes.Organization
for _, v := range orgs.List {
if search == "" {
retOrgs = append(retOrgs, v.Organization)
continue
}
score := v.Score(search)
if score < 0 {
continue
}
v.Organization.Score = score
retOrgs = append(retOrgs, v.Organization)
}
if search != "" {
sort.Slice(retOrgs, func(i, j int) bool {
// lower score is better
return retOrgs[i].Score < retOrgs[j].Score
})
}
return &discotypes.Organizations{
List: retOrgs,
}, err
}
// DiscoServers gets the servers list from the discovery server with search string `search`
// If the list cannot be retrieved an error is returned.
// If this is the case then a previous version of the list is returned if there is any.
// This takes into account the frequency of updates, see: https://github.com/eduvpn/documentation/blob/v3/SERVER_DISCOVERY.md#server-list.
// the cache argument is true if no network call should be done
func (c *Client) DiscoServers(ck *cookie.Cookie, cache bool, search string) (*discotypes.Servers, error) {
// Not supported with Let's Connect! & govVPN
if !c.hasDiscovery() {
return nil, i18nerr.NewInternal("Server discovery with this client ID is not supported")
}
disco, release := c.discoMan.Discovery(true)
defer release()
servs, fresh, err := disco.Servers(ck.Context(), cache)
if fresh {
defer c.TrySave()
}
if err != nil {
err = i18nerr.Wrap(err, "Failed to obtain the list of servers")
}
if servs == nil {
return nil, err
}
// convert to public subset
var retServs []discotypes.Server
for _, v := range servs.List {
if search == "" {
retServs = append(retServs, v.Server)
continue
}
score := v.Score(search)
if score < 0 {
continue
}
v.Server.Score = score
retServs = append(retServs, v.Server)
}
if search != "" {
sort.Slice(retServs, func(i, j int) bool {
// lower score is better
return retServs[i].Score < retServs[j].Score
})
}
return &discotypes.Servers{
List: retServs,
}, err
}
// DiscoveryStartup gets the discovery when the client is just starting up
// cb is called when discovery has finished in the background
func (c *Client) DiscoveryStartup(cb func()) error {
// Not supported with Let's Connect! & govVPN
if !c.hasDiscovery() {
return i18nerr.NewInternal("Server/organization discovery startup with this client ID is not supported")
}
fcb := func() {
if cb == nil {
return
}
c.mu.Lock()
defer c.mu.Unlock()
if c.FSM.Current != StateMain {
return
}
cb()
}
c.discoMan.Startup(context.Background(), fcb)
return nil
}
|
