Mercurial Hosting > luan
annotate src/luan/host/https.luan @ 2045:265dc9af6a49 acme-tiny
fix guard_uri initiation
| author | Violet7 |
|---|---|
| date | Sun, 09 Nov 2025 02:31:57 -0800 |
| parents | d8550e64d613 |
| children | e0896f65c847 |
| rev | line source |
|---|---|
| 1630 | 1 local Luan = require "luan:Luan.luan" |
| 2 local error = Luan.error | |
|
2005
fe45d2c967f1
set_https only in init.luan
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3 local new_error = Luan.new_error or error() |
| 1630 | 4 local load_file = Luan.load_file or error() |
| 5 local ipairs = Luan.ipairs or error() | |
| 6 local Boot = require "luan:Boot.luan" | |
| 7 local Io = require "luan:Io.luan" | |
| 8 local ip = Io.ip or error() | |
| 9 local uri = Io.uri or error() | |
| 10 local String = require "luan:String.luan" | |
| 1716 | 11 local starts_with = String.starts_with or error() |
| 1630 | 12 local Http = require "luan:http/Http.luan" |
| 13 local Hosted = require "luan:host/Hosted.luan" | |
| 14 local Logging = require "luan:logging/Logging.luan" | |
| 15 local logger = Logging.logger "https" | |
| 16 | |
|
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61b0cc7db09c
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17 logger.info("Hello test") |
| 1630 | 18 |
| 19 function Hosted.set_https(is_https) | |
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20 if Http.did_init() then |
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21 logger.error(new_error("set_https called outside of init.luan")) |
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22 return |
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23 end |
| 1630 | 24 local domain = Http.domain |
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25 local site_dir = uri("site:").parent() |
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26 local nginx_file = site_dir.child("nginx.ssl.conf") |
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27 local key_file = site_dir.child(domain..".key") |
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28 local key_file_str = key_file.canonical().to_string() |
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29 local csr_file = site_dir.child(domain..".csr") |
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30 local csr_file_str = csr_file.canonical().to_string() |
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31 local local_cer_file = site_dir.child("fullchain.cer") |
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32 local local_cer_file_str = local_cer_file.canonical().to_string() |
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33 local local_ca_file = site_dir.child("ca.cer") |
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34 -- luan/host |
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35 local luanhost_dir = uri("file:.").canonical().to_string() |
| 1630 | 36 local changed = false |
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37 -- use for testing, so as to not hit rate limits |
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38 -- on the real letsencrypt servers |
| 2039 | 39 local dry_run = false |
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40 local dry_run_dir_url = "https://acme-staging-v02.api.letsencrypt.org/directory" |
| 2034 | 41 |
| 2043 | 42 -- declare these so they are visible in the catch and finally blocks |
| 2045 | 43 local guard_file = "/tmp/acme_setup_locks/"..domain..".lock" |
| 44 local guard_uri = uri("file:"..guard_file) | |
| 2043 | 45 |
| 2040 | 46 if is_https then -- https |
| 1630 | 47 if not key_file.exists() then |
| 48 local is_local = ip(domain) == "127.0.0.1" | |
| 49 logger.info("is_local "..is_local) | |
| 2034 | 50 |
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51 -- Use openssl directly to make a self-signed cert, |
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52 -- no external cert authority involved |
| 1630 | 53 if is_local then |
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54 local cmd = [[ |
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55 ./local_https.sh "]]..domain..[[" |
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56 ]] |
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57 local s = uri("bash:"..cmd).read_text() |
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58 logger.info("issue local certificate") |
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59 else |
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60 -- set up a temporary barebones nginx conf |
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61 -- to serve acme challenges on the domain |
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62 try |
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63 local temp_dir_string = "/tmp/acme_setup/"..domain |
| 2034 | 64 |
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65 -- recursion guard, must have this to prevent |
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66 -- the http request from invoking this code |
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67 -- and causing an infinite recursion. |
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68 local cmd = "mkdir -p /tmp/acme_setup_locks/" |
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69 local s = uri("bash:"..cmd).read_text() |
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70 if guard_uri.exists() then |
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71 logger.info("set_https already running for "..domain..", skipping") |
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72 return |
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73 end |
| 2034 | 74 |
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75 -- Clean out old temp files |
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76 local cmd = "rm -rf "..temp_dir_string |
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77 local s = uri("bash:"..cmd).read_text() |
| 2034 | 78 |
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79 -- create all needed dirs at once by using |
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80 -- mkdir -p on the deepest nested dir (acme-challenge) |
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81 local webroot = temp_dir_string.."/webroot" |
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82 local acme_challenges = webroot.."/.well-known/acme-challenge" |
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83 local cmd = "mkdir -p "..acme_challenges |
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84 local s = uri("bash:"..cmd).read_text() |
| 2034 | 85 |
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86 guard_uri.write("this is a recursion guard, see https.luan") |
| 2034 | 87 |
| 88 | |
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89 -- Create the nginx config from the template |
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90 local temp_dir = uri("file:"..temp_dir_string) |
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91 -- The *output* file, where the generated config is stored |
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92 local acme_nginx_file = temp_dir.child("nginx.acme_setup.conf") |
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93 local conf = load_file "file:startup/nginx/nginx.acme_setup.conf.luan" |
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94 local acme_nginx = ` conf(webroot,domain) ` |
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95 acme_nginx_file.write(acme_nginx) |
| 2034 | 96 |
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97 -- Create an index.html to search for in the logs |
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98 -- to verify everything is working |
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99 local index_file = webroot.."/index.html" |
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100 local cmd = "echo 'hi, testing' > "..index_file |
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101 local s = uri("bash:"..cmd).read_text() |
| 2034 | 102 |
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103 -- The config in ./local/nginx.conf has a directive to |
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104 -- glob include confs in /tmp/acme_setup/*/nginx.acme_setup.conf |
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105 -- so we just need to reload it so it can find the one we just made |
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106 local cmd = [[ |
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107 sudo $(which nginx) -t -c "]]..luanhost_dir..[[/local/nginx.conf" && sudo $(which nginx) -s reload; |
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108 ]] |
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109 local s = uri("bash:"..cmd).read_text() |
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110 logger.info("reload_nginx "..s) |
| 2034 | 111 |
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112 -- We've set up nginx to serve from our temp root, now we need to |
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113 -- create a *domain key*, which we then use to sign our cert. |
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114 local cmd = "openssl genrsa 4096 > "..key_file_str |
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115 local s = uri("bash:"..cmd).read_text() |
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116 logger.info("create domain key\n"..s) |
| 2034 | 117 |
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118 -- create the cert, signed with the key we just made |
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119 local cmd = 'openssl req -new -sha256 -key '..key_file_str..' -subj "/CN='..domain..'" > '..csr_file_str |
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120 local s = uri("bash:"..cmd).read_text() |
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121 logger.info("create cert\n"..s) |
| 2034 | 122 |
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123 -- Finally, get our cert signed by letsencrypt. |
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124 local cmd = [[ |
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125 python3 acme_tiny.py --account-key ./local/tiny_account.key \ |
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126 --csr ]]..csr_file_str..[[ \ |
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127 --acme-dir ]]..acme_challenges..[[ \ |
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128 ]] |
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129 if dry_run == true then |
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130 cmd = cmd.." --directory-url "..dry_run_dir_url |
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131 end |
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132 cmd = cmd.."> "..local_cer_file_str |
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133 |
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134 local s = uri("bash:"..cmd).read_text() |
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135 logger.info("get cert signed by letsencrypt\n"..s) |
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136 |
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137 -- The above http requests made by acme_tiny are the only thing |
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138 -- that could cause a recursion so it is safe to delete the guard here. |
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139 |
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140 catch e |
| 2042 | 141 logger.error("Error setting up ACME: "..e.to_string()) |
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142 finally |
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143 if guard_uri and guard_uri.exists() then |
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144 guard_uri.delete() |
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145 end |
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146 local cmd = "rm -rf "..temp_dir_string |
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147 local s = uri("bash:"..cmd).read_text() |
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148 end |
| 2038 | 149 |
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150 -- We now have our certificate! |
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151 -- Now we just need to generate the nginx config |
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152 -- that uses it, place it in luan/host/sites/*/nginx.ssl.conf |
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153 -- and tell luan-host to reload nginx. |
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154 |
| 1630 | 155 end |
| 156 if key_file.exists() and local_cer_file.exists() then | |
| 157 changed = true | |
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158 -- the nginx config only requires 2 files: |
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159 -- fullchain.cer and DOMAIN.key |
| 1632 | 160 local conf = load_file "file:startup/nginx/nginx.ssl.conf.luan" |
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161 local nginx = ` conf(luanhost_dir,domain) ` |
| 1630 | 162 nginx_file.write(nginx) |
| 163 end | |
| 164 end | |
| 2040 | 165 else -- http |
| 1630 | 166 if key_file.exists() or nginx_file.exists() then |
| 167 changed = true | |
| 168 nginx_file.delete() | |
| 169 local_cer_file.delete() | |
| 170 local_ca_file.delete() | |
| 1716 | 171 local ptn = domain.."." |
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172 for _, file in ipairs(site_dir.children()) do |
| 1716 | 173 if starts_with(file.name(),ptn) then |
| 1630 | 174 file.delete() |
| 175 end | |
| 176 end | |
| 177 end | |
| 178 end | |
| 179 if changed then | |
| 180 local cmd = [[ | |
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181 sudo $(which nginx) -t -c "]]..luanhost_dir..[[/local/nginx.conf" && sudo $(which nginx) -s reload; |
| 1630 | 182 ]] |
| 183 local s = uri("bash:"..cmd).read_text() | |
| 184 logger.info("reload_nginx "..s) | |
| 185 end | |
| 186 --logger.info "done" | |
| 187 end | |
| 188 Hosted.set_https = Boot.no_security(Hosted.set_https) |
