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136 lines
3.1 KiB
136 lines
3.1 KiB
/*
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Connector to let httpd use the espfs filesystem to serve the files in that.
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*/
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#include <string.h>
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#include <osapi.h>
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#include "c_types.h"
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#include "user_interface.h"
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#include "espconn.h"
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#include "mem.h"
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#include "httpd.h"
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#include "espfs.h"
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#include "httpdespfs.h"
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int ICACHE_FLASH_ATTR cgiEspFsHook(HttpdConnData *connData) {
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EspFsFile *file=connData->cgiData;
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int len;
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char buff[1024];
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if (connData->conn==NULL) {
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//Connection aborted. Clean up.
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espFsClose(file);
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return HTTPD_CGI_DONE;
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}
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if (file==NULL) {
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//First call to this cgi. Open the file so we can read it.
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file=espFsOpen(connData->url);
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if (file==NULL) {
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return HTTPD_CGI_NOTFOUND;
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}
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connData->cgiData=file;
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httpdStartResponse(connData, 200);
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httpdHeader(connData, "Content-Type", httpdGetMimetype(connData->url));
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httpdEndHeaders(connData);
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return HTTPD_CGI_MORE;
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}
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len=espFsRead(file, buff, 1024);
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if (len>0) espconn_sent(connData->conn, (uint8 *)buff, len);
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if (len!=1024) {
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//We're done.
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espFsClose(file);
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return HTTPD_CGI_DONE;
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} else {
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//Ok, till next time.
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return HTTPD_CGI_MORE;
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}
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}
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typedef struct {
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EspFsFile *file;
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void *tplArg;
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char token[64];
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int tokenPos;
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} TplData;
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typedef int (* TplCallback)(HttpdConnData *connData, char *token, void **arg);
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int ICACHE_FLASH_ATTR cgiEspFsTemplate(HttpdConnData *connData) {
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TplData *tpd=connData->cgiData;
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int len;
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int x, sp;
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char *p, *e;
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int sentTo;
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char buff[1025];
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if (connData->conn==NULL) {
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//Connection aborted. Clean up.
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((TplCallback)(connData->cgiArg))(connData, NULL, &tpd->tplArg);
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espFsClose(tpd->file);
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os_free(tpd);
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return HTTPD_CGI_DONE;
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}
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if (tpd==NULL) {
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//First call to this cgi. Open the file so we can read it.
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tpd=(TplData *)os_malloc(sizeof(TplData));
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tpd->file=espFsOpen(connData->url);
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tpd->tplArg=NULL;
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tpd->tokenPos=-1;
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if (tpd->file==NULL) {
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return HTTPD_CGI_NOTFOUND;
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}
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connData->cgiData=tpd;
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httpdStartResponse(connData, 200);
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httpdHeader(connData, "Content-Type", httpdGetMimetype(connData->url));
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httpdEndHeaders(connData);
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return HTTPD_CGI_MORE;
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}
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len=espFsRead(tpd->file, buff, 1024);
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if (len>0) {
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sp=0;
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e=buff;
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for (x=0; x<len; x++) {
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if (tpd->tokenPos==-1) {
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//Inside ordinary text.
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if (buff[x]=='%') {
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//Send raw data up to now
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if (sp!=0) espconn_sent(connData->conn, (uint8 *)e, sp);
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sp=0;
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//Go collect token chars.
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tpd->tokenPos=0;
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} else {
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sp++;
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}
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} else {
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if (buff[x]=='%') {
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tpd->token[tpd->tokenPos++]=0; //zero-terminate token
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((TplCallback)(connData->cgiArg))(connData, tpd->token, &tpd->tplArg);
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//Go collect normal chars again.
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e=&buff[x+1];
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tpd->tokenPos=-1;
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} else {
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if (tpd->tokenPos<(sizeof(tpd->token)-1)) tpd->token[tpd->tokenPos++]=buff[x];
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}
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}
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}
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}
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//Send remaining bit.
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if (sp!=0) espconn_sent(connData->conn, (uint8 *)e, sp);
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if (len!=1024) {
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//We're done.
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((TplCallback)(connData->cgiArg))(connData, NULL, &tpd->tplArg);
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espFsClose(tpd->file);
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return HTTPD_CGI_DONE;
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} else {
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//Ok, till next time.
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return HTTPD_CGI_MORE;
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}
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}
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