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Diffstat (limited to 'app/src/fil/libre/repwifiapp/helpers/NetworkManager.java')
-rw-r--r--app/src/fil/libre/repwifiapp/helpers/NetworkManager.java546
1 files changed, 278 insertions, 268 deletions
diff --git a/app/src/fil/libre/repwifiapp/helpers/NetworkManager.java b/app/src/fil/libre/repwifiapp/helpers/NetworkManager.java
index 33acbb7..db27f7e 100644
--- a/app/src/fil/libre/repwifiapp/helpers/NetworkManager.java
+++ b/app/src/fil/libre/repwifiapp/helpers/NetworkManager.java
@@ -25,272 +25,282 @@ import java.util.ArrayList;
public class NetworkManager {
- private static final String F_SEP = "\t";
- private static final int NET_MAX_AGE = 365; //Expressed in days
-
- private String _knownNetworksFile = null;
-
- public NetworkManager(String networksFilePath){
- this._knownNetworksFile = networksFilePath;
- }
-
- private AccessPointInfo searchInFile(AccessPointInfo i){
-
- if (i == null){
- return null;
- }
-
- String bssid = i.getBSSID();
- String ssid = i.getSSID();
-
- if (bssid == null || ssid == null || bssid.trim().equals("") || ssid.trim().equals("")){
- return null;
- }
-
- AccessPointInfo ret = null;
- AccessPointInfo[] list = getKnownNetworks();
-
- if (list == null){
- return null;
- }
-
- for(AccessPointInfo toTest : list){
-
- // try to match both bssid and ssid.
- // if bssid doesn't match, but ssid does,
- // then the network is a candidate.
- // if no bssid equality is found,
- // then return the best match (only ssid), if any
- if (toTest.getSSID().equals(ssid)){
-
- if (toTest.getBSSID().equals(bssid)){
- i.setPassword(toTest.getPassword());
- return i;
-
- }else{
- i.setPassword(toTest.getPassword());
- ret = i;
- }
-
- }
-
- }
-
- return ret;
-
- }
-
- private boolean saveOrRemove(AccessPointInfo info, boolean save){
-
- String iText = InfoToString(info);
- if (iText == null){
- return false;
- }
-
- AccessPointInfo[] existingNets = getKnownNetworks();
-
- ArrayList<AccessPointInfo> newlist = new ArrayList<AccessPointInfo>();
-
- if (existingNets == null || existingNets.length == 0){
- //no existing storage yet, create it
-
- if (save){
- //set timestamp
- info.setLastTimeUsed(System.currentTimeMillis());
- newlist.add(info);
- AccessPointInfo[] newContents = new AccessPointInfo[newlist.size()];
- newContents = newlist.toArray(newContents);
-
- return saveList(newContents);
-
- }else{
- //nothing to do, return
- return true;
- }
-
- }
-
-
- if (save){
- //add the updated info to the storage
- info.setLastTimeUsed(System.currentTimeMillis());
- newlist.add(info);
- }
-
- for(AccessPointInfo old : existingNets){
-
- if (old == null){
- //error while loading from file. skip.
- continue;
- }
-
- // keep network only if it's not older than the max age for a network
- else if (old.isOlderThan(NET_MAX_AGE)){
- //skip it
- continue;
- }
-
- else if (old.getBSSID().equals(info.getBSSID()) && old.getSSID().equals(info.getSSID())){
- //found previously saved entry for the same network we are managing
- //skip it
- continue;
- }
-
- else{
- //old network info that can be kept in the storage
- newlist.add(old);
- }
-
- }
-
-
- AccessPointInfo[] newContents = new AccessPointInfo[newlist.size()];
- newContents = newlist.toArray(newContents);
-
- return saveList(newContents);
-
- }
-
- private AccessPointInfo getFromString(String savedString){
-
- if (savedString == null || savedString.trim().equals("")) {
- return null;
- }
-
- String[] fields = savedString.split(F_SEP);
-
- if (fields.length != 4 ){
- return null;
- }
-
- String bssid = fields[0];
- String ssid = fields[1];
- String pass = fields[2];
- String lastUsed = fields[3];
-
- long lastusedmillis = 0;
- try {
- lastusedmillis = Long.parseLong(lastUsed);
- } catch (NumberFormatException e) {
- //invalid format
- Utils.logError("Invalid time format in network manager \""+lastUsed +"\". Network BSSID: " + bssid, e);
- }
-
- if (bssid.trim().equals("") || ssid.trim().equals("") || pass.trim().equals("")){
- return null;
- }
-
- AccessPointInfo i = new AccessPointInfo(ssid, bssid, null, null, null);
- i.setPassword(pass);
- i.setLastTimeUsed(lastusedmillis);
-
- return i;
-
- }
-
- private String InfoToString(AccessPointInfo info){
-
- if (info == null){
- return null;
- }
-
- String bssid = info.getBSSID();
- String ssid = info.getSSID();
- String pass = info.getPassword();
- String tsLastUsed = "" + info.getLastTimeUsed();
-
- if (bssid == null || bssid.trim().equals("")){
- return null;
- }
-
- if (ssid == null || ssid.trim().equals("")){
- return null;
- }
-
- if (pass == null || pass.trim().equals("")){
- return null;
- }
-
- String iText = info.getBSSID() + F_SEP + info.getSSID() + F_SEP + info.getPassword() + F_SEP + tsLastUsed;
- return iText;
-
- }
-
- private boolean saveList(AccessPointInfo[] list){
-
- if (list == null){
- return false;
- }
-
- String[] lines = new String[list.length];
-
- for (int i = 0; i<list.length; i++){
-
- String storeString = InfoToString(list[i]);
- if (storeString == null){
- return false;
- }
- lines[i] = storeString;
-
- }
-
- return Utils.writeFileLines(this._knownNetworksFile,lines, true);
-
- }
-
- public AccessPointInfo[] getKnownNetworks(){
-
- ArrayList<AccessPointInfo> list = new ArrayList<AccessPointInfo>();
-
- File f = new File(this._knownNetworksFile);
- if (! f.exists()){
- return null;
- }
-
- String[] lines = Utils.readFileLines(_knownNetworksFile);
- if (lines == null || lines.length == 0){
- return null;
- }
-
- for(String l : lines){
-
- AccessPointInfo info = getFromString(l);
- if (info != null){
- list.add(info);
- }
-
- }
-
- AccessPointInfo[] ret = new AccessPointInfo[list.size()];
- ret = list.toArray(ret);
-
- return ret;
-
- }
-
- public boolean isKnown(AccessPointInfo info){
-
- AccessPointInfo i = searchInFile(info);
- if (i == null){
- return false;
- }else {
- return true;
- }
-
- }
-
- public boolean save(AccessPointInfo info){
- return saveOrRemove(info, true);
- }
-
- public boolean remove(AccessPointInfo info){
- return saveOrRemove(info, false);
- }
-
- public AccessPointInfo getSavedNetwork(AccessPointInfo i){
- return searchInFile(i);
- }
-
-
-
+ private static final String F_SEP = "\t";
+ private static final int NET_MAX_AGE = 365; // Expressed in days
+
+ private String _knownNetworksFile = null;
+
+ public NetworkManager(String networksFilePath) {
+ this._knownNetworksFile = networksFilePath;
+ }
+
+ private AccessPointInfo searchInFile(AccessPointInfo i) {
+
+ if (i == null) {
+ return null;
+ }
+
+ String bssid = i.getBssid();
+ String ssid = i.getSsid();
+
+ if (bssid == null || ssid == null || bssid.trim().equals("") || ssid.trim().equals("")) {
+ return null;
+ }
+
+ AccessPointInfo ret = null;
+ AccessPointInfo[] list = getKnownNetworks();
+
+ if (list == null) {
+ return null;
+ }
+
+ for (AccessPointInfo toTest : list) {
+
+ // try to match both bssid and ssid.
+ // if bssid doesn't match, but ssid does,
+ // then the network is a candidate.
+ // if no bssid equality is found,
+ // then return the best match (only ssid), if any
+ if (toTest.getSsid().equals(ssid)) {
+
+ if (toTest.getBssid().equals(bssid)) {
+ i.setPassword(toTest.getPassword());
+ return i;
+
+ } else {
+ i.setPassword(toTest.getPassword());
+ ret = i;
+ }
+
+ }
+
+ }
+
+ return ret;
+
+ }
+
+ private boolean saveOrRemove(AccessPointInfo info, boolean save) {
+
+ String iText = InfoToString(info);
+ if (iText == null) {
+ return false;
+ }
+
+ AccessPointInfo[] existingNets = getKnownNetworks();
+
+ ArrayList<AccessPointInfo> newlist = new ArrayList<AccessPointInfo>();
+
+ if (existingNets == null || existingNets.length == 0) {
+ // no existing storage yet, create it
+
+ if (save) {
+ // set timestamp
+ info.setLastTimeUsed(System.currentTimeMillis());
+ newlist.add(info);
+ AccessPointInfo[] newContents = new AccessPointInfo[newlist.size()];
+ newContents = newlist.toArray(newContents);
+
+ return saveList(newContents);
+
+ } else {
+ // nothing to do, return
+ return true;
+ }
+
+ }
+
+ if (save) {
+ // add the updated info to the storage
+ info.setLastTimeUsed(System.currentTimeMillis());
+ newlist.add(info);
+ }
+
+ for (AccessPointInfo old : existingNets) {
+
+ if (old == null) {
+ // error while loading from file. skip.
+ continue;
+ }
+
+ // keep network only if it's not older than the max age for a
+ // network
+ else if (old.isOlderThan(NET_MAX_AGE)) {
+ // skip it
+ continue;
+ }
+
+ else if (old.getBssid().equals(info.getBssid()) && old.getSsid().equals(info.getSsid())) {
+ // found previously saved entry for the same network we are
+ // managing
+ // skip it
+ continue;
+ }
+
+ else {
+ // old network info that can be kept in the storage
+ newlist.add(old);
+ }
+
+ }
+
+ AccessPointInfo[] newContents = new AccessPointInfo[newlist.size()];
+ newContents = newlist.toArray(newContents);
+
+ return saveList(newContents);
+
+ }
+
+ private AccessPointInfo getFromString(String savedString) {
+
+ if (savedString == null || savedString.trim().equals("")) {
+ return null;
+ }
+
+ String[] fields = savedString.split(F_SEP);
+
+ if (fields.length < 4) {
+ return null;
+ }
+
+ String bssid = fields[0];
+ String ssid = fields[1];
+ String pass = fields[2];
+ String lastUsed = fields[3];
+ String auth = null;
+
+ if (fields.length > 4) {
+ auth = fields[4];
+ }
+
+ long lastusedmillis = 0;
+ try {
+ lastusedmillis = Long.parseLong(lastUsed);
+ } catch (NumberFormatException e) {
+ // invalid format
+ Utils.logError("Invalid time format in network manager \"" + lastUsed
+ + "\". Network BSSID: " + bssid, e);
+ }
+
+ if (bssid.trim().equals("") || ssid.trim().equals("") || pass.trim().equals("")) {
+ return null;
+ }
+
+ AccessPointInfo i = new AccessPointInfo(ssid, bssid, auth, null, null);
+ i.setPassword(pass);
+ i.setLastTimeUsed(lastusedmillis);
+
+ return i;
+
+ }
+
+ private String InfoToString(AccessPointInfo info) {
+
+ if (info == null) {
+ return null;
+ }
+
+ String bssid = info.getBssid();
+ String ssid = info.getSsid();
+ String pass = info.getPassword();
+ String tsLastUsed = "" + info.getLastTimeUsed();
+ String auth = info.getAuthType();
+
+ if (bssid == null || bssid.trim().equals("")) {
+ return null;
+ }
+
+ if (ssid == null || ssid.trim().equals("")) {
+ return null;
+ }
+
+ if (pass == null || pass.trim().equals("")) {
+ return null;
+ }
+
+ if (auth == null) {
+ auth = "";
+ }
+
+ String iText = info.getBssid() + F_SEP + info.getSsid() + F_SEP + info.getPassword()
+ + F_SEP + tsLastUsed + F_SEP + auth;
+ return iText;
+
+ }
+
+ private boolean saveList(AccessPointInfo[] list) {
+
+ if (list == null) {
+ return false;
+ }
+
+ String[] lines = new String[list.length];
+
+ for (int i = 0; i < list.length; i++) {
+
+ String storeString = InfoToString(list[i]);
+ if (storeString == null) {
+ return false;
+ }
+ lines[i] = storeString;
+
+ }
+
+ return Utils.writeFileLines(this._knownNetworksFile, lines, true);
+
+ }
+
+ public AccessPointInfo[] getKnownNetworks() {
+
+ ArrayList<AccessPointInfo> list = new ArrayList<AccessPointInfo>();
+
+ File f = new File(this._knownNetworksFile);
+ if (!f.exists()) {
+ return null;
+ }
+
+ String[] lines = Utils.readFileLines(_knownNetworksFile);
+ if (lines == null || lines.length == 0) {
+ return null;
+ }
+
+ for (String l : lines) {
+
+ AccessPointInfo info = getFromString(l);
+ if (info != null) {
+ list.add(info);
+ }
+
+ }
+
+ AccessPointInfo[] ret = new AccessPointInfo[list.size()];
+ ret = list.toArray(ret);
+
+ return ret;
+
+ }
+
+ public boolean isKnown(AccessPointInfo info) {
+
+ AccessPointInfo i = searchInFile(info);
+ if (i == null) {
+ return false;
+ } else {
+ return true;
+ }
+
+ }
+
+ public boolean save(AccessPointInfo info) {
+ return saveOrRemove(info, true);
+ }
+
+ public boolean remove(AccessPointInfo info) {
+ return saveOrRemove(info, false);
+ }
+
+ public AccessPointInfo getSavedNetwork(AccessPointInfo i) {
+ return searchInFile(i);
+ }
+
}
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