zeronetavahi 16KB

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  1. #!/bin/bash
  2. #
  3. # .---. . .
  4. # | | |
  5. # |--- .--. .-. .-. .-.| .-. .--.--. |.-. .-. .--. .-.
  6. # | | (.-' (.-' ( | ( )| | | | )( )| | (.-'
  7. # ' ' --' --' -' - -' ' ' -' -' -' ' - --'
  8. #
  9. # Freedom in the Cloud
  10. #
  11. # A script for using avahi to discover peers and update zeronet trackers
  12. # Blogs and fora are discovered on the network and then published
  13. # to an index file which can be opened in a browser
  14. # License
  15. # =======
  16. #
  17. # Copyright (C) 2015-2016 Bob Mottram <bob@robotics.uk.to>
  18. #
  19. # This program is free software: you can redistribute it and/or modify
  20. # it under the terms of the GNU Affero General Public License as published by
  21. # the Free Software Foundation, either version 3 of the License, or
  22. # (at your option) any later version.
  23. #
  24. # This program is distributed in the hope that it will be useful,
  25. # but WITHOUT ANY WARRANTY; without even the implied warranty of
  26. # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  27. # GNU Affero General Public License for more details.
  28. #
  29. # You should have received a copy of the GNU Affero General Public License
  30. # along with this program. If not, see <http://www.gnu.org/licenses/>.
  31. PROJECT_NAME='freedombone'
  32. export TEXTDOMAIN=$PROJECT_NAME-zeronetavahi
  33. export TEXTDOMAINDIR="/usr/share/locale"
  34. MESH_INSTALL_DIR=/var/lib
  35. WEB_PAGE_TITLE=$"${PROJECT_NAME} Mesh"
  36. TRACKER_PORT=6969
  37. ZERONET_INSTALL=$MESH_INSTALL_DIR/zeronet
  38. MY_USERNAME=$USER
  39. MESH_USERNAME='fbone'
  40. BLOGS_FILE=$ZERONET_INSTALL/${PROJECT_NAME}-blogs
  41. MAIL_FILE=$ZERONET_INSTALL/${PROJECT_NAME}-mail
  42. FORUM_FILE=$ZERONET_INSTALL/${PROJECT_NAME}-fora
  43. TOX_USERS_FILE=$ZERONET_INSTALL/${PROJECT_NAME}-tox-users
  44. ID_FILE=$ZERONET_INSTALL/${PROJECT_NAME}-id
  45. ZERONET_INDEX=$ZERONET_INSTALL/mesh.html
  46. ZERONET_CONFIG=$ZERONET_INSTALL/bootstrap
  47. IPFS_PORT=4001
  48. MY_BLOG_STR=$"My Blog"
  49. MY_MAIL_STR=$"My Mail"
  50. MY_FORUM_STR=$"My Forum"
  51. MY_ID_STR=$"My ID Service"
  52. YOUR_SITES_STR=$'Your Sites'
  53. ON_THE_MESH_STR=$'On the Mesh'
  54. BLOGS_STR=$"Blogs"
  55. MAIL_STR=$"Mail"
  56. FORA_STR=$"Fora"
  57. TOX_STR=$"Users on the Mesh"
  58. ID_STR=$"ID Services"
  59. NO_USERS_STR=$"No users found"
  60. # service names advertised by avahi
  61. ZERONET_BLOG_STR="ZeroNet Blog"
  62. ZERONET_MAIL_STR="ZeroNet Mail"
  63. ZERONET_FORUM_STR="ZeroNet Forum"
  64. ZERONET_ID_STR="ZeroNet ID Service"
  65. # contains the output of the avahi command
  66. TEMPFILE_BASE=$(mktemp /tmp/zeronetavahibase.XXXXXX)
  67. TEMPFILE=$(mktemp /tmp/zeronetavahi.XXXXXX)
  68. # List of tox users previously seen
  69. PREV_TOX_USERS_FILE=/root/.prev_tox_users
  70. function ipfs_bootstrap {
  71. cat $TEMPFILE_BASE | grep "IPFS\|hostname =\|address =\|port =\|txt =" > $TEMPFILE
  72. state=0
  73. address=""
  74. peer=""
  75. while IFS='' read -r line || [[ -n "$line" ]]; do
  76. if [ ${state} -eq "3" ]; then
  77. if [[ $line == *"txt ="* ]]; then
  78. ipfs_peer_id=$(echo $line | awk -F '[' '{print $2}' | awk -F ']' '{print $1}' | awk -F '"' '{print $2}')
  79. ipfs bootstrap add /ip4/${address}/tcp/${IPFS_PORT}/ipfs/${ipfs_peer_id}
  80. state=0
  81. fi
  82. fi
  83. if [ ${state} -eq "2" ]; then
  84. if [[ $line == *"address ="* ]]; then
  85. address=$(echo $line | awk -F '[' '{print $2}' | awk -F ']' '{print $1}')
  86. state=3
  87. fi
  88. fi
  89. if [ ${state} -eq "1" ]; then
  90. if [[ $line == *"hostname ="* ]]; then
  91. peer=$(echo $line | awk -F '[' '{print $2}' | awk -F ']' '{print $1}')
  92. state=2
  93. fi
  94. fi
  95. if [[ $line == *"IPFS"* && $line == "= "* ]]; then
  96. state=1
  97. fi
  98. done < "$TEMPFILE"
  99. }
  100. function detect_new_tox_users {
  101. CURRENT_USERS_FILE=$1
  102. if [ ! -f $CURRENT_USERS_FILE ]; then
  103. return
  104. fi
  105. # Check that this is a GUI installation with a desktop
  106. if [ ! -d /home/$MESH_USERNAME/Desktop ]; then
  107. return
  108. fi
  109. # Produce notifications if new users appear
  110. if [ -f $PREV_TOX_USERS_FILE ]; then
  111. while IFS='' read -r line || [[ -n "$line" ]]; do
  112. if [[ $line != "Failed*" && $line != "data "* ]]; then
  113. if ! grep -q "$line" $PREV_TOX_USERS_FILE; then
  114. # get the nick of the user
  115. toxuser="$(echo "$line" | awk -F ' ' '{print $1}')"
  116. notify-send $"$toxuser" $"has joined the mesh" --icon=dialog-information
  117. fi
  118. fi
  119. done < "$CURRENT_USERS_FILE"
  120. fi
  121. # Store the previous tox users list
  122. cp -f $CURRENT_USERS_FILE $PREV_TOX_USERS_FILE
  123. }
  124. function detect_tox_users {
  125. # don't show the first peer field
  126. lstox | awk -F ' ' '{$1=""; print $0}' | sed -e 's/^[[:space:]]*//' | sort -d > $TEMPFILE
  127. detect_new_tox_users $TEMPFILE
  128. toxctr=0
  129. echo '<ol type="square">' >> $TOX_USERS_FILE.new
  130. while IFS='' read -r line || [[ -n "$line" ]]; do
  131. if [[ $line != "Failed*" && $line != "data "* ]]; then
  132. echo " <li>$line</li>" >> $TOX_USERS_FILE.new
  133. toxctr=$((toxctr + 1))
  134. fi
  135. done < "$TEMPFILE"
  136. if [ $toxctr -eq "0" ]; then
  137. echo " <li>${NO_USERS_STR}</li>" >> $TOX_USERS_FILE.new
  138. fi
  139. echo '<ol>' >> $TOX_USERS_FILE.new
  140. }
  141. function assemble_web_page {
  142. f="$1"
  143. fhome="$2"
  144. cat "${f}-header.html" "${f}.new" "${f}-footer.html" > "${f}.html"
  145. rm -f "${f}.new"
  146. if [ -d "${fhome}" ]; then
  147. sudo chown zeronet:zeronet "$f"
  148. fi
  149. }
  150. function create_index {
  151. blogaddress=$(cat /home/$MY_USERNAME/.config/zeronet/myblog)
  152. mailaddress=$(cat /home/$MY_USERNAME/.config/zeronet/mymail)
  153. forumaddress=$(cat /home/$MY_USERNAME/.config/zeronet/myforum)
  154. idaddress=$(cat /home/$MY_USERNAME/.config/zeronet/myzeroid)
  155. if [ -f $ZERONET_INDEX ]; then
  156. sed -i "s|.*${MY_BLOG_STR}.*| <li><a href=\"${blogaddress}\">${MY_BLOG_STR}</a></li>|g" $ZERONET_INDEX
  157. sed -i "s|.*${MY_MAIL_STR}.*| <li><a href=\"${mailaddress}\">${MY_MAIL_STR}</a></li>|g" $ZERONET_INDEX
  158. sed -i "s|.*${MY_FORUM_STR}.*| <li><a href=\"${forumaddress}\">${MY_FORUM_STR}</a></li>|g" $ZERONET_INDEX
  159. sed -i "s|.*${MY_ID_STR}.*| <li><a href=\"${idaddress}\">${MY_ID_STR}</a></li>|g" $ZERONET_INDEX
  160. return
  161. fi
  162. echo '<!DOCTYPE html>' > $ZERONET_INDEX
  163. echo '<html>' >> $ZERONET_INDEX
  164. echo '<head>' >> $ZERONET_INDEX
  165. echo "<title>$WEB_PAGE_TITLE</title>" >> $ZERONET_INDEX
  166. echo '</head>' >> $ZERONET_INDEX
  167. echo '<body>' >> $ZERONET_INDEX
  168. echo "<H1>$WEB_PAGE_TITLE</H1>" >> $ZERONET_INDEX
  169. echo '' >> $ZERONET_INDEX
  170. echo "<H2>${YOUR_SITES_STR}</H2>" >> $ZERONET_INDEX
  171. echo '' >> $ZERONET_INDEX
  172. echo '<ol type="square">' >> $ZERONET_INDEX
  173. echo " <li><a href=\"${blogaddress}\">${MY_BLOG_STR}</a></li>" >> $ZERONET_INDEX
  174. echo " <li><a href=\"${mailaddress}\">${MY_MAIL_STR}</a></li>" >> $ZERONET_INDEX
  175. echo " <li><a href=\"${forumaddress}\">${MY_FORUM_STR}</a></li>" >> $ZERONET_INDEX
  176. echo " <li><a href=\"${idaddress}\">${MY_ID_STR}</a></li>" >> $ZERONET_INDEX
  177. # echo " <li><a href=\"http://localhost:5001/webui\">File Share</a></li>" >> $ZERONET_INDEX
  178. echo '</ol>' >> $ZERONET_INDEX
  179. echo '' >> $ZERONET_INDEX
  180. echo "<H2>${ON_THE_MESH_STR}</H2>" >> $ZERONET_INDEX
  181. echo '' >> $ZERONET_INDEX
  182. echo '<ol type="square">' >> $ZERONET_INDEX
  183. echo " <li><a href=\"${BLOGS_FILE}.html\">${BLOGS_STR}</a></li>" >> $ZERONET_INDEX
  184. echo " <li><a href=\"${MAIL_FILE}.html\">${MAIL_STR}</a></li>" >> $ZERONET_INDEX
  185. echo " <li><a href=\"${FORUM_FILE}.html\">${FORA_STR}</a></li>" >> $ZERONET_INDEX
  186. echo " <li><a href=\"${ID_FILE}.html\">${ID_STR}</a></li>" >> $ZERONET_INDEX
  187. echo " <li><a href=\"${TOX_USERS_FILE}.html\">${TOX_STR}</a></li>" >> $ZERONET_INDEX
  188. echo '</ol>' >> $ZERONET_INDEX
  189. echo '' >> $ZERONET_INDEX
  190. echo '</body>' >> $ZERONET_INDEX
  191. echo '</html>' >> $ZERONET_INDEX
  192. }
  193. function create_header {
  194. header_file=${1}-header.html
  195. if [ -f $header_file ]; then
  196. return
  197. fi
  198. echo '<!DOCTYPE html>' > $header_file
  199. echo '<html>' >> $header_file
  200. echo '<head>' >> $header_file
  201. echo "<title>$WEB_PAGE_TITLE - $2</title>" >> $header_file
  202. echo '<meta http-equiv="refresh" content="60">' >> $header_file
  203. echo '</head>' >> $header_file
  204. echo '<body>' >> $header_file
  205. echo "<H1>$2</H1>" >> $header_file
  206. }
  207. function create_footer {
  208. footer_file=${1}-footer.html
  209. if [ -f $footer_file ]; then
  210. return
  211. fi
  212. echo '</body>' >> $footer_file
  213. echo '</html>' >> $footer_file
  214. }
  215. function avahi_extract_info {
  216. # Create a list of bootstrap nodes
  217. avahi-browse -atr > $TEMPFILE_BASE
  218. cat $TEMPFILE_BASE | grep "hostname =\|address =\|port =" > $TEMPFILE
  219. if [ ! -f $TEMPFILE ]; then
  220. exit 1
  221. fi
  222. }
  223. function zeronet_detect {
  224. if [ -f $ZERONET_CONFIG.new ]; then
  225. rm -f $ZERONET_CONFIG.new
  226. fi
  227. touch $ZERONET_CONFIG.new
  228. state=0
  229. address=""
  230. peer=""
  231. tracker_ctr=0
  232. while IFS='' read -r line || [[ -n "$line" ]]; do
  233. if [ ${state} -eq "1" ]; then
  234. if [[ $line == *"address ="* ]]; then
  235. address=$(echo $line | awk -F '[' '{print $2}' | awk -F ']' '{print $1}')
  236. tracker_url="http://$peer:$TRACKER_PORT/announce"
  237. if ! grep -q "$tracker_url" $ZERONET_CONFIG.new; then
  238. echo "$tracker_url" >> $ZERONET_CONFIG.new
  239. tracker_ctr=$((tracker_ctr + 1))
  240. fi
  241. state=0
  242. fi
  243. fi
  244. if [[ $line == *"hostname ="* ]]; then
  245. peer=$(echo $line | awk -F '[' '{print $2}' | awk -F ']' '{print $1}')
  246. state=1
  247. fi
  248. done < "$TEMPFILE"
  249. }
  250. function zeronet_detect_blog {
  251. if [ -f $BLOGS_FILE.new ]; then
  252. rm -f $BLOGS_FILE.new
  253. fi
  254. cat $TEMPFILE_BASE | grep "${ZERONET_BLOG_STR}\|hostname =\|address =\|port =\|txt =" > $TEMPFILE
  255. state=0
  256. address=""
  257. peer=""
  258. echo '<ol type="square">' >> $BLOGS_FILE.new
  259. while IFS='' read -r line || [[ -n "$line" ]]; do
  260. if [ ${state} -eq "3" ]; then
  261. if [[ $line == *"txt ="* ]]; then
  262. blog_url=$(echo $line | awk -F '[' '{print $2}' | awk -F ']' '{print $1}')
  263. echo " <li><a href=${blog_url}>${peer}</a></li>" >> $BLOGS_FILE.new
  264. state=0
  265. fi
  266. fi
  267. if [ ${state} -eq "2" ]; then
  268. if [[ $line == *"address ="* ]]; then
  269. address=$(echo $line | awk -F '[' '{print $2}' | awk -F ']' '{print $1}')
  270. state=3
  271. fi
  272. fi
  273. if [ ${state} -eq "1" ]; then
  274. if [[ $line == *"hostname ="* ]]; then
  275. peer=$(echo $line | awk -F '[' '{print $2}' | awk -F ']' '{print $1}')
  276. state=2
  277. fi
  278. fi
  279. if [[ $line == *"${ZERONET_BLOG_STR}"* && $line == "= "* ]]; then
  280. state=1
  281. fi
  282. done < "$TEMPFILE"
  283. echo '</ol>' >> $BLOGS_FILE.new
  284. }
  285. function zeronet_detect_mail {
  286. if [ -f $MAIL_FILE.new ]; then
  287. rm -f $MAIL_FILE.new
  288. fi
  289. cat $TEMPFILE_BASE | grep "${ZERONET_MAIL_STR}\|hostname =\|address =\|port =\|txt =" > $TEMPFILE
  290. state=0
  291. address=""
  292. peer=""
  293. echo '<ol type="square">' >> $MAIL_FILE.new
  294. while IFS='' read -r line || [[ -n "$line" ]]; do
  295. if [ ${state} -eq "3" ]; then
  296. if [[ $line == *"txt ="* ]]; then
  297. mail_url=$(echo $line | awk -F '[' '{print $2}' | awk -F ']' '{print $1}')
  298. echo " <li><a href=${mail_url}>${peer}</a></li>" >> $MAIL_FILE.new
  299. state=0
  300. fi
  301. fi
  302. if [ ${state} -eq "2" ]; then
  303. if [[ $line == *"address ="* ]]; then
  304. address=$(echo $line | awk -F '[' '{print $2}' | awk -F ']' '{print $1}')
  305. state=3
  306. fi
  307. fi
  308. if [ ${state} -eq "1" ]; then
  309. if [[ $line == *"hostname ="* ]]; then
  310. peer=$(echo $line | awk -F '[' '{print $2}' | awk -F ']' '{print $1}')
  311. state=2
  312. fi
  313. fi
  314. if [[ $line == *"${ZERONET_MAIL_STR}"* && $line == "= "* ]]; then
  315. state=1
  316. fi
  317. done < "$TEMPFILE"
  318. echo '</ol>' >> $MAIL_FILE.new
  319. }
  320. function zeronet_detect_fora {
  321. if [ -f $FORUM_FILE.new ]; then
  322. rm -f $FORUM_FILE.new
  323. fi
  324. cat $TEMPFILE_BASE | grep "${ZERONET_FORUM_STR}\|hostname =\|address =\|port =\|txt =" > $TEMPFILE
  325. state=0
  326. address=""
  327. peer=""
  328. echo '<ol type="square">' >> $FORUM_FILE.new
  329. while IFS='' read -r line || [[ -n "$line" ]]; do
  330. if [ ${state} -eq "3" ]; then
  331. if [[ $line == *"txt ="* ]]; then
  332. forum_url=$(echo $line | awk -F '[' '{print $2}' | awk -F ']' '{print $1}')
  333. echo " <li><a href=${forum_url}>${peer}</a></li>" >> $FORUM_FILE.new
  334. state=0
  335. fi
  336. fi
  337. if [ ${state} -eq "2" ]; then
  338. if [[ $line == *"address ="* ]]; then
  339. address=$(echo $line | awk -F '[' '{print $2}' | awk -F ']' '{print $1}')
  340. state=3
  341. fi
  342. fi
  343. if [ ${state} -eq "1" ]; then
  344. if [[ $line == *"hostname ="* ]]; then
  345. peer=$(echo $line | awk -F '[' '{print $2}' | awk -F ']' '{print $1}')
  346. state=2
  347. fi
  348. fi
  349. if [[ $line == *"${ZERONET_FORUM_STR}"* && $line == "= "* ]]; then
  350. state=1
  351. fi
  352. done < "$TEMPFILE"
  353. echo '<ol>' >> $FORUM_FILE.new
  354. }
  355. function zeronet_detect_id {
  356. if [ -f $ID_FILE.new ]; then
  357. rm -f $ID_FILE.new
  358. fi
  359. cat $TEMPFILE_BASE | grep "${ZERONET_ID_STR}\|hostname =\|address =\|port =\|txt =" > $TEMPFILE
  360. state=0
  361. address=""
  362. peer=""
  363. echo '<ol type="square">' >> $ID_FILE.new
  364. while IFS='' read -r line || [[ -n "$line" ]]; do
  365. if [ ${state} -eq "3" ]; then
  366. if [[ $line == *"txt ="* ]]; then
  367. id_url=$(echo $line | awk -F '[' '{print $2}' | awk -F ']' '{print $1}')
  368. echo " <li><a href=${id_url}>${peer}</a></li>" >> $ID_FILE.new
  369. state=0
  370. fi
  371. fi
  372. if [ ${state} -eq "2" ]; then
  373. if [[ $line == *"address ="* ]]; then
  374. address=$(echo $line | awk -F '[' '{print $2}' | awk -F ']' '{print $1}')
  375. state=3
  376. fi
  377. fi
  378. if [ ${state} -eq "1" ]; then
  379. if [[ $line == *"hostname ="* ]]; then
  380. peer=$(echo $line | awk -F '[' '{print $2}' | awk -F ']' '{print $1}')
  381. state=2
  382. fi
  383. fi
  384. if [[ $line == *"${ZERONET_ID_STR}"* && $line == "= "* ]]; then
  385. state=1
  386. fi
  387. done < "$TEMPFILE"
  388. echo '</ol>' >> $ID_FILE.new
  389. }
  390. function avahi_remove_info {
  391. rm -f $TEMPFILE_BASE
  392. rm -f $TEMPFILE
  393. }
  394. function zeronet_update_config {
  395. if [ ${tracker_ctr} -gt "0" ]; then
  396. cp -f $ZERONET_CONFIG.new $ZERONET_CONFIG
  397. else
  398. if [ -f $ZERONET_CONFIG ]; then
  399. rm -f $ZERONET_CONFIG
  400. fi
  401. fi
  402. rm -f $ZERONET_CONFIG.new
  403. if [ -d $ZERONET_INSTALL ]; then
  404. sudo chown zeronet:zeronet $ZERONET_CONFIG
  405. fi
  406. }
  407. if [ ! -d /etc/avahi ]; then
  408. exit 0
  409. fi
  410. avahi_extract_info
  411. zeronet_detect
  412. zeronet_detect_id
  413. zeronet_detect_blog
  414. zeronet_detect_mail
  415. zeronet_detect_fora
  416. ipfs_bootstrap
  417. detect_tox_users
  418. avahi_remove_info
  419. zeronet_update_config
  420. # make some html headers and footers
  421. create_header $ID_FILE $ID_STR
  422. create_header $BLOGS_FILE $BLOGS_STR
  423. create_header $MAIL_FILE $MAIL_STR
  424. create_header $FORUM_FILE $FORA_STR
  425. create_header $TOX_USERS_FILE $"Tox Users"
  426. create_footer $BLOGS_FILE
  427. create_footer $MAIL_FILE
  428. create_footer $FORUM_FILE
  429. create_footer $TOX_USERS_FILE
  430. # make the index page
  431. create_index
  432. assemble_web_page ${ID_FILE} $ZERONET_INSTALL
  433. assemble_web_page ${BLOGS_FILE} $ZERONET_INSTALL
  434. assemble_web_page ${MAIL_FILE} $ZERONET_INSTALL
  435. assemble_web_page ${FORUM_FILE} $ZERONET_INSTALL
  436. assemble_web_page ${TOX_USERS_FILE} $ZERONET_INSTALL
  437. chown -R zeronet:zeronet $ZERONET_INSTALL
  438. exit 0