comparison: libidav/methods.c
libidav/methods.c
- changeset 171
- 254326cbc1bc
- parent 170
- cf054cded046
- child 172
- cd9f1e772fd0
equal
deleted
inserted
replaced
| 170:cf054cded046 | 171:254326cbc1bc |
|---|---|
| 46 UcxBuffer *request, | 46 UcxBuffer *request, |
| 47 UcxBuffer *response) | 47 UcxBuffer *response) |
| 48 { | 48 { |
| 49 curl_easy_setopt(handle, CURLOPT_CUSTOMREQUEST, "PROPFIND"); | 49 curl_easy_setopt(handle, CURLOPT_CUSTOMREQUEST, "PROPFIND"); |
| 50 | 50 |
| 51 // implement own redirection follower | |
| 52 long follow = 0; | |
| 53 curl_easy_getinfo(handle, CURLOPT_FOLLOWLOCATION, &follow); | |
| 54 curl_easy_setopt(handle, CURLOPT_FOLLOWLOCATION, 0L); | |
| 55 const int maxredirect = 16; | |
| 56 | |
| 57 // always try to get information about possible children | 51 // always try to get information about possible children |
| 58 int depth = 1; | 52 int depth = 1; |
| 53 | |
| 54 int maxretry = 2; | |
| 59 | 55 |
| 60 struct curl_slist *headers = NULL; | 56 struct curl_slist *headers = NULL; |
| 61 CURLcode ret = 0; | 57 CURLcode ret = 0; |
| 62 | 58 |
| 63 curl_easy_setopt(handle, CURLOPT_UPLOAD, 1); | 59 curl_easy_setopt(handle, CURLOPT_UPLOAD, 1); |
| 68 curl_easy_setopt(handle, CURLOPT_WRITEFUNCTION, ucx_buffer_write); | 64 curl_easy_setopt(handle, CURLOPT_WRITEFUNCTION, ucx_buffer_write); |
| 69 curl_easy_setopt(handle, CURLOPT_WRITEDATA, response); | 65 curl_easy_setopt(handle, CURLOPT_WRITEDATA, response); |
| 70 UcxMap *respheaders = ucx_map_new(32); | 66 UcxMap *respheaders = ucx_map_new(32); |
| 71 util_capture_header(handle, respheaders); | 67 util_capture_header(handle, respheaders); |
| 72 | 68 |
| 73 for(int i=0;i<=maxredirect;i++) { | 69 for(int i=0;i<maxretry;i++) { |
| 74 char *url = NULL; | 70 if (depth == 1) { |
| 75 curl_easy_getinfo(handle, CURLINFO_EFFECTIVE_URL, &url); | 71 headers = curl_slist_append(headers, "Depth: 1"); |
| 76 if(url) { | 72 } else if (depth == -1) { |
| 77 size_t ulen = strlen(url); | 73 headers = curl_slist_append(headers, "Depth: infinity"); |
| 78 if(ulen > 0) { | |
| 79 if (depth == 1) { | |
| 80 headers = curl_slist_append(headers, "Depth: 1"); | |
| 81 } else { | |
| 82 headers = curl_slist_append(headers, "Depth: 0"); | |
| 83 } | |
| 84 } else { | |
| 85 return CURLE_URL_MALFORMAT; | |
| 86 } | |
| 87 } else { | 74 } else { |
| 88 return CURLE_URL_MALFORMAT; | 75 headers = curl_slist_append(headers, "Depth: 0"); |
| 89 } | 76 } |
| 90 headers = curl_slist_append(headers, "Content-Type: text/xml"); | 77 headers = curl_slist_append(headers, "Content-Type: text/xml"); |
| 91 curl_easy_setopt(handle, CURLOPT_HTTPHEADER, headers); | 78 curl_easy_setopt(handle, CURLOPT_HTTPHEADER, headers); |
| 92 | 79 |
| 93 // reset buffers and perform request | 80 // reset buffers and perform request |
| 96 ret = curl_easy_perform(handle); | 83 ret = curl_easy_perform(handle); |
| 97 curl_slist_free_all(headers); | 84 curl_slist_free_all(headers); |
| 98 headers = NULL; | 85 headers = NULL; |
| 99 | 86 |
| 100 /* | 87 /* |
| 101 * Handle three cases: | 88 * Handle two cases: |
| 102 * 1. We get a Location header (it's a redirect) | 89 * 1. We communicate with IIS and get a X-MSDAVEXT_Error: 589831 |
| 103 * => follow the URL we get from the server | |
| 104 * 2. We communicate with IIS and get a X-MSDAVEXT_Error: 589831 | |
| 105 * => try with depth 0 next time, it's not a collection | 90 * => try with depth 0 next time, it's not a collection |
| 106 * 3. Other cases | 91 * 2. Other cases |
| 107 * => the server handled our request and we can stop requesting | 92 * => the server handled our request and we can stop requesting |
| 108 */ | 93 */ |
| 109 char *location = NULL; | |
| 110 char *msdavexterror; | 94 char *msdavexterror; |
| 111 curl_easy_getinfo(handle, CURLINFO_REDIRECT_URL, &location); | |
| 112 msdavexterror = ucx_map_cstr_get(respheaders, "x-msdavext_error"); | 95 msdavexterror = ucx_map_cstr_get(respheaders, "x-msdavext_error"); |
| 113 int iishack = depth == 1 && | 96 int iishack = depth == 1 && |
| 114 msdavexterror && !strncmp(msdavexterror, "589831;", 7); | 97 msdavexterror && !strncmp(msdavexterror, "589831;", 7); |
| 115 | 98 |
| 116 if(location) { | 99 if(iishack) { |
| 117 // redirect | |
| 118 curl_easy_setopt(handle, CURLOPT_URL, location); | |
| 119 } else if(iishack) { | |
| 120 depth = 0; | 100 depth = 0; |
| 121 } else { | 101 } else { |
| 122 break; | 102 break; |
| 123 } | 103 } |
| 124 } | 104 } |
| 125 | 105 |
| 126 ucx_map_free_content(respheaders, free); | 106 ucx_map_free_content(respheaders, free); |
| 127 ucx_map_free(respheaders); | 107 ucx_map_free(respheaders); |
| 128 | |
| 129 // reset followlocation option | |
| 130 curl_easy_setopt(handle, CURLOPT_FOLLOWLOCATION, follow); | |
| 131 | 108 |
| 132 return ret; | 109 return ret; |
| 133 } | 110 } |
| 134 | 111 |
| 135 UcxBuffer* create_allprop_propfind_request() { | 112 UcxBuffer* create_allprop_propfind_request() { |
