-
Notifications
You must be signed in to change notification settings - Fork 240
/
certificates.go
342 lines (278 loc) · 12 KB
/
certificates.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
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
package cmd
import (
"fmt"
"net"
"strings"
"github.com/dustin/go-humanize"
"github.com/superfly/flyctl/api"
"github.com/superfly/flyctl/client"
"github.com/superfly/flyctl/cmdctx"
"github.com/superfly/flyctl/docstrings"
"github.com/AlecAivazis/survey/v2"
"github.com/spf13/cobra"
"golang.org/x/net/publicsuffix"
)
func getAlternateHostname(hostname string) string {
if strings.Split(hostname, ".")[0] == "www" {
return strings.Replace(hostname, "www.", "", 1)
} else {
return "www." + hostname
}
}
func newCertificatesCommand(client *client.Client) *Command {
certsStrings := docstrings.Get("certs")
cmd := BuildCommandKS(nil, nil, certsStrings, client, requireAppName, requireSession)
certsListStrings := docstrings.Get("certs.list")
BuildCommandKS(cmd, runCertsList, certsListStrings, client, requireSession, requireAppName)
certsCreateStrings := docstrings.Get("certs.add")
createCmd := BuildCommandKS(cmd, runCertAdd, certsCreateStrings, client, requireSession, requireAppName)
createCmd.Aliases = []string{"create"}
createCmd.Command.Args = cobra.ExactArgs(1)
certsDeleteStrings := docstrings.Get("certs.remove")
deleteCmd := BuildCommandKS(cmd, runCertDelete, certsDeleteStrings, client, requireSession, requireAppName)
deleteCmd.Aliases = []string{"delete"}
deleteCmd.Command.Args = cobra.ExactArgs(1)
deleteCmd.AddBoolFlag(BoolFlagOpts{Name: "yes", Shorthand: "y", Description: "accept all confirmations"})
certsShowStrings := docstrings.Get("certs.show")
show := BuildCommandKS(cmd, runCertShow, certsShowStrings, client, requireSession, requireAppName)
show.Command.Args = cobra.ExactArgs(1)
certsCheckStrings := docstrings.Get("certs.check")
check := BuildCommandKS(cmd, runCertCheck, certsCheckStrings, client, requireSession, requireAppName)
check.Command.Args = cobra.ExactArgs(1)
return cmd
}
func runCertsList(commandContext *cmdctx.CmdContext) error {
ctx := commandContext.Command.Context()
certs, err := commandContext.Client.API().GetAppCertificates(ctx, commandContext.AppName)
if err != nil {
return err
}
return printCertificates(commandContext, certs)
}
func runCertShow(commandContext *cmdctx.CmdContext) error {
ctx := commandContext.Command.Context()
hostname := commandContext.Args[0]
cert, hostcheck, err := commandContext.Client.API().CheckAppCertificate(ctx, commandContext.AppName, hostname)
if err != nil {
return err
}
if cert.ClientStatus == "Ready" {
commandContext.Statusf("certs", cmdctx.STITLE, "The certificate for %s has been issued.\n\n", hostname)
printCertificate(commandContext, cert)
return nil
}
commandContext.Statusf("certs", cmdctx.STITLE, "The certificate for %s has not been issued yet.\n\n", hostname)
printCertificate(commandContext, cert)
return reportNextStepCert(commandContext, hostname, cert, hostcheck)
}
func runCertCheck(commandContext *cmdctx.CmdContext) error {
ctx := commandContext.Command.Context()
hostname := commandContext.Args[0]
cert, hostcheck, err := commandContext.Client.API().CheckAppCertificate(ctx, commandContext.AppName, hostname)
if err != nil {
return err
}
if cert.ClientStatus == "Ready" {
// A certificate has been issued
commandContext.Statusf("certs", cmdctx.SINFO, "The certificate for %s has been issued.\n", hostname)
printCertificate(commandContext, cert)
// Details should go here
return nil
}
commandContext.Statusf("certs", cmdctx.SINFO, "The certificate for %s has not been issued yet.\n", hostname)
return reportNextStepCert(commandContext, hostname, cert, hostcheck)
}
func runCertAdd(commandContext *cmdctx.CmdContext) error {
ctx := commandContext.Command.Context()
hostname := commandContext.Args[0]
cert, hostcheck, err := commandContext.Client.API().AddCertificate(ctx, commandContext.AppName, hostname)
if err != nil {
return err
}
return reportNextStepCert(commandContext, hostname, cert, hostcheck)
}
func runCertDelete(commandContext *cmdctx.CmdContext) error {
ctx := commandContext.Command.Context()
hostname := commandContext.Args[0]
if !commandContext.Config.GetBool("yes") {
confirm := false
prompt := &survey.Confirm{
Message: fmt.Sprintf("Remove certificate %s from app %s?", hostname, commandContext.AppName),
}
err := survey.AskOne(prompt, &confirm)
if err != nil {
return err
}
if !confirm {
return nil
}
}
cert, err := commandContext.Client.API().DeleteCertificate(ctx, commandContext.AppName, hostname)
if err != nil {
return err
}
commandContext.Statusf("certs", cmdctx.SINFO, "Certificate %s deleted from app %s\n", cert.Certificate.Hostname, cert.App.Name)
return nil
}
func reportNextStepCert(cmdCtx *cmdctx.CmdContext, hostname string, cert *api.AppCertificate, hostcheck *api.HostnameCheck) error {
ctx := cmdCtx.Command.Context()
alternateHostname := getAlternateHostname(hostname)
// These are the IPs we have for the app
ips, err := cmdCtx.Client.API().GetIPAddresses(ctx, cmdCtx.AppName)
if err != nil {
return err
}
var ipV4 api.IPAddress
var ipV6 api.IPAddress
var configuredipV4 bool
var configuredipV6 bool
// Extract the v4 and v6 addresses we have allocated
for _, x := range ips {
if x.Type == "v4" || x.Type == "shared_v4" {
ipV4 = x
} else if x.Type == "v6" {
ipV6 = x
}
}
// Do we have A records
if len(hostcheck.ARecords) > 0 {
// Let's check the first A record against our recorded addresses
if !net.ParseIP(hostcheck.ARecords[0]).Equal(net.ParseIP(ipV4.Address)) {
cmdCtx.Statusf("certs", cmdctx.SWARN, "A Record (%s) does not match app's IP (%s)\n", hostcheck.ARecords[0], ipV4.Address)
} else {
configuredipV4 = true
}
}
if len(hostcheck.AAAARecords) > 0 {
// Let's check the first A record against our recorded addresses
if !net.ParseIP(hostcheck.AAAARecords[0]).Equal(net.ParseIP(ipV6.Address)) {
cmdCtx.Statusf("certs", cmdctx.SWARN, "AAAA Record (%s) does not match app's IP (%s)\n", hostcheck.AAAARecords[0], ipV6.Address)
} else {
configuredipV6 = true
}
}
if len(hostcheck.ResolvedAddresses) > 0 {
for _, address := range hostcheck.ResolvedAddresses {
if net.ParseIP(address).Equal(net.ParseIP(ipV4.Address)) {
configuredipV4 = true
} else if net.ParseIP(address).Equal(net.ParseIP(ipV6.Address)) {
configuredipV6 = true
} else {
cmdCtx.Statusf("certs", cmdctx.SWARN, "Address resolution (%s) does not match app's IP (%s/%s)\n", address, ipV4.Address, ipV6.Address)
}
}
}
if cert.IsApex {
// If this is an apex domain we should guide towards creating A and AAAA records
addArecord := !configuredipV4
addAAAArecord := !cert.AcmeALPNConfigured
if addArecord || addAAAArecord {
stepcnt := 1
cmdCtx.Statusf("certs", cmdctx.SINFO, "You are creating a certificate for %s\n", hostname)
cmdCtx.Statusf("certs", cmdctx.SINFO, "We are using %s for this certificate.\n\n", cert.CertificateAuthority)
if addArecord {
cmdCtx.Statusf("certs", cmdctx.SINFO, "You can direct traffic to %s by:\n\n", hostname)
cmdCtx.Statusf("certs", cmdctx.SINFO, "%d: Adding an A record to your DNS service which reads\n", stepcnt)
cmdCtx.Statusf("certs", cmdctx.SINFO, "\n A @ %s\n\n", ipV4.Address)
stepcnt = stepcnt + 1
}
if addAAAArecord {
cmdCtx.Statusf("certs", cmdctx.SINFO, "You can validate your ownership of %s by:\n\n", hostname)
cmdCtx.Statusf("certs", cmdctx.SINFO, "%d: Adding an AAAA record to your DNS service which reads:\n\n", stepcnt)
cmdCtx.Statusf("certs", cmdctx.SINFO, " AAAA @ %s\n\n", ipV6.Address)
// stepcnt = stepcnt + 1 Uncomment if more steps
}
} else {
if cert.ClientStatus == "Ready" {
cmdCtx.Statusf("certs", cmdctx.SINFO, "Your certificate for %s has been issued, make sure you create another certificate for %s \n", hostname, alternateHostname)
} else {
cmdCtx.Statusf("certs", cmdctx.SINFO, "Your certificate for %s is being issued. Status is %s. Make sure to create another certificate for %s when the current certificate is issued. \n", hostname, cert.ClientStatus, alternateHostname)
}
}
} else if cert.IsWildcard {
// If this is an wildcard domain we should guide towards satisfying a DNS-01 challenge
addArecord := !configuredipV4
addCNAMErecord := !cert.AcmeDNSConfigured
stepcnt := 1
cmdCtx.Statusf("certs", cmdctx.SINFO, "You are creating a wildcard certificate for %s\n", hostname)
cmdCtx.Statusf("certs", cmdctx.SINFO, "We are using %s for this certificate.\n\n", cert.CertificateAuthority)
if addArecord {
cmdCtx.Statusf("certs", cmdctx.SINFO, "You can direct traffic to %s by:\n\n", hostname)
cmdCtx.Statusf("certs", cmdctx.SINFO, "%d: Adding an A record to your DNS service which reads\n", stepcnt)
stepcnt = stepcnt + 1
cmdCtx.Statusf("certs", cmdctx.SINFO, "\n A @ %s\n\n", ipV4.Address)
}
if addCNAMErecord {
cmdCtx.Statusf("certs", cmdctx.SINFO, "You can validate your ownership of %s by:\n\n", hostname)
cmdCtx.Statusf("certs", cmdctx.SINFO, "%d: Adding an CNAME record to your DNS service which reads:\n\n", stepcnt)
cmdCtx.Statusf("certs", cmdctx.SINFO, " %s\n", cert.DNSValidationInstructions)
// stepcnt = stepcnt + 1 Uncomment if more steps
}
} else {
// This is not an apex domain
// If A and AAAA record is not configured offer CNAME
nothingConfigured := !(configuredipV4 && configuredipV6)
onlyV4Configured := configuredipV4 && !configuredipV6
if nothingConfigured || onlyV4Configured {
cmdCtx.Statusf("certs", cmdctx.SINFO, "You are creating a certificate for %s\n", hostname)
cmdCtx.Statusf("certs", cmdctx.SINFO, "We are using %s for this certificate.\n\n", readableCertAuthority(cert.CertificateAuthority))
if nothingConfigured {
cmdCtx.Statusf("certs", cmdctx.SINFO, "You can configure your DNS for %s by:\n\n", hostname)
eTLD, _ := publicsuffix.EffectiveTLDPlusOne(hostname)
subdomainname := strings.TrimSuffix(hostname, eTLD)
cmdCtx.Statusf("certs", cmdctx.SINFO, "1: Adding an CNAME record to your DNS service which reads:\n")
cmdCtx.Statusf("certs", cmdctx.SINFO, "\n CNAME %s %s.fly.dev\n", subdomainname, cmdCtx.AppName)
} else if onlyV4Configured {
cmdCtx.Statusf("certs", cmdctx.SINFO, "You can validate your ownership of %s by:\n\n", hostname)
cmdCtx.Statusf("certs", cmdctx.SINFO, "1: Adding an CNAME record to your DNS service which reads:\n")
cmdCtx.Statusf("certs", cmdctx.SINFO, " %s\n", cert.DNSValidationInstructions)
}
} else {
if cert.ClientStatus == "Ready" {
cmdCtx.Statusf("certs", cmdctx.SINFO, "Your certificate for %s has been issued, make sure you create another certificate for %s \n", hostname, alternateHostname)
} else {
cmdCtx.Statusf("certs", cmdctx.SINFO, "Your certificate for %s is being issued. Status is %s. Make sure to create another certificate for %s when the current certificate is issued. \n", hostname, cert.ClientStatus, alternateHostname)
}
}
}
return nil
}
func printCertificate(commandContext *cmdctx.CmdContext, cert *api.AppCertificate) {
if commandContext.OutputJSON() {
commandContext.WriteJSON(cert)
return
}
myprnt := func(label string, value string) {
commandContext.Statusf("certs", cmdctx.SINFO, "%-25s = %s\n\n", label, value)
}
certtypes := []string{}
for _, v := range cert.Issued.Nodes {
certtypes = append(certtypes, v.Type)
}
myprnt("Hostname", cert.Hostname)
myprnt("DNS Provider", cert.DNSProvider)
myprnt("Certificate Authority", readableCertAuthority(cert.CertificateAuthority))
myprnt("Issued", strings.Join(certtypes, ","))
myprnt("Added to App", humanize.Time(cert.CreatedAt))
myprnt("Source", cert.Source)
}
func readableCertAuthority(ca string) string {
if ca == "lets_encrypt" {
return "Let's Encrypt"
}
return ca
}
func printCertificates(commandContext *cmdctx.CmdContext, certs []api.AppCertificateCompact) error {
if commandContext.OutputJSON() {
commandContext.WriteJSON(certs)
return nil
}
commandContext.Statusf("certs", cmdctx.STITLE, "%-25s %-20s %s\n", "Host Name", "Added", "Status")
for _, v := range certs {
commandContext.Statusf("certs", cmdctx.SINFO, "%-25s %-20s %s\n",
v.Hostname,
humanize.Time(v.CreatedAt),
v.ClientStatus)
}
return nil
}